Best Letterbox Alternatives in 2025

Find the top alternatives to Letterbox currently available. Compare ratings, reviews, pricing, and features of Letterbox alternatives in 2025. Slashdot lists the best Letterbox alternatives on the market that offer competing products that are similar to Letterbox. Sort through Letterbox alternatives below to make the best choice for your needs

  • 1
    Proton Mail Reviews
    Top Pick

    Proton Mail

    Proton AG

    $6.25 per user per month
    8 Ratings
    Proton Mail was founded in Switzerland, and all of our servers are located there. All user data is protected under strict Swiss privacy laws. All emails are encrypted automatically using end-to-end encryption. This means that even we cannot read or decrypt your emails. Your encrypted emails cannot therefore be shared with any third parties. To create your secure email account, you don't need to provide any personal information. We do not store IP logs that can be linked to your anonymous account. Your privacy is paramount. Email privacy should be accessible to everyone, according to us. Our code is open-source and basic Proton Mail accounts come free. Support the project by donating to it or upgrading to a paid account. Proton Mail is compatible with all devices without the need for software installation. Proton Mail Business allows you to keep your business email address. You can send and receive encrypted email both within and outside your organization.
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    Paubox Reviews
    Top Pick
    Healthcare's easy-to-use, scalable, and simple way to email secure, HIPAA-compliant patient information. Healthcare organizations must ensure that patient data is secure and compliant with HIPAA. This is especially true for email. Paubox Email Suite offers guaranteed encryption, so you can be sure your patient data will be protected. Our HIPAA-compliant email service eliminates the need for portals or passcodes. Instead, encrypted emails can be sent to your recipient and can be read in their inbox. Our patented tools make healthcare email encryption easy. They can be integrated into your existing email system without any training required for employees. Paubox HIPAA-compliant email service was designed to empower IT and make emailing PHI easy for end-users.
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    gpg4o Reviews

    gpg4o

    Giegerich & Partner

    $93 one-time payment
    Safeguard the confidentiality of your electronic communications by utilizing gpg4o®, an innovative solution crafted by Giegerich & Partner, which leverages OpenPGP—one of the most trusted and widely adopted encryption methods globally. Designed for both individual and corporate users, gpg4o® ensures that your emails remain private through robust encryption capabilities. This seamless integration with Microsoft® Outlook® 2010, 2013, 2016, and 2019 allows you to enhance your email security effortlessly. The installation process is straightforward, and the user-friendly interface makes it easy to maintain email privacy. Additionally, with ongoing product updates, gpg4o® continuously provides the latest features to bolster security and improve overall user experience, ensuring that your sensitive information is always protected. In a world where email breaches are common, taking proactive measures to secure your correspondence is more important than ever.
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    SalaX Secure Mail Reviews
    SalaX Secure Mail provides a user-friendly and robust email encryption solution that seamlessly integrates with your current email services, safeguarding sensitive communications. It authenticates all users—both senders and receivers—through a variety of methods such as strong bank ID authentication, SMS and email OTPs, and password protection. The system enhances security with features like audit trails and detailed reporting options. It ensures that your communications are protected via end-to-end encryption, maintaining confidentiality from sender to recipient. Additionally, Secure Mail is compatible with multiple email security protocols, including DMARC, DKIM, SPF, and S/MIME-based encryption. You maintain control over your data with flexible deployment options available in both cloud and on-premises environments. The solution also provides numerous configuration options, including APIs and web interfaces, allowing for easy customization. You can classify sensitive data and modify security levels to align with your organizational policies. Moreover, it guarantees compliance with data privacy laws and regulations such as GDPR, delivering government-grade security measures for your peace of mind. By choosing Secure Mail, you enhance the overall security of your email communications significantly.
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    Skiff Reviews
    Skiff is an end-to-end private encrypted workspace that integrates with Mail, Calendar and Pages products to provide a completely secure environment for communication and collaboration. Skiff products have been designed with privacy and security in mind. All apps are built using end-to-end (E2EE) encryption, so you will never have to share sensitive data or private keys. Only you have access to the content of emails at all times. Free tiers are available in abundance Enjoy 10 GB free storage for all your emails, documents, attachments and notes. Create up to four free email aliases in order to protect your identity. Open-source and audited Skiff Mail is an open-source product that uses open-source cryptography and undergoes regular external security audits. You can find our whitepaper and source code at skiff.com. No trackers or Ads Upgrades can be made using crypto payments in a variety of currencies. - Your information is never sold, shared, or collected.
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    Mailfence Reviews
    Top Pick
    Mailfence is an encrypted email provider that uses OpenPGP-based encryption and digital signatures. Mailfence offers a variety of features that allow for collaboration without compromising security or convenience. Mailfence documents allows you to securely store and edit documents. You can also share documents with your team by pressing a button. Mailfence calendar will help you keep track of all your tasks, meetings, events, and other important information. Mailfence contacts will save your contacts and allow you to create mailing lists to maximize efficiency. Mailfence was designed to be fully interoperable. This means that you can sync Mailfence with any service. Mailfence offers fully customizable whitelabel versions for its Mailfence interface. Mailfence donates 15% from PRO subscriptions to IFF or EDRI to support the fight for Online privacy.
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    CounterMail Reviews
    CounterMail is an online email service that prioritizes security and user-friendliness, aiming to deliver optimal privacy without overwhelming users with complicated features. You can easily access your email account from any location around the globe at any time. Your account remains anonymous and always encrypted, ensuring a high level of confidentiality. The encryption process employed by CounterMail operates automatically and seamlessly, without requiring any advanced technical knowledge. If you find services like Hotmail or Gmail user-friendly, you'll likely feel the same about CounterMail's secure email platform! It utilizes a robust encryption standard known as OpenPGP, employing 4096-bit encryption keys to safeguard your information. Based on publicly available knowledge, there appears to be no current method capable of compromising OpenPGP's encryption through cryptographic or computational approaches, offering users peace of mind regarding their data security. Moreover, this commitment to privacy makes CounterMail a compelling choice for anyone concerned about their online communications.
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    Hushmail Reviews

    Hushmail

    Hushmail

    $9.99/month/user
    Hushmail adds encryption to your email, web forms, and e-signatures to protect your clients. It is secure, HIPAA compliant, and trusted worldwide by healthcare professionals. Hushmail is simple to set up and use. You can send your first encrypted email today and create a secure online intake form within minutes. Hushmail works exactly like regular email accounts, but has additional security features to protect your data. You can send and receive encrypted emails via the web and iPhone. You can access your account via Outlook, Apple Mail, or your Android smartphone. You can easily move your forms online in a matter of minutes. Hush™ Secure Forms is a secure alternative to traditional paper forms and includes instant online signing for your most important digital forms. It's easier than ever to switch from pen and paper to e-signatures.
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    Mailpile Reviews
    Mailpile aims to restore the privacy of online communication, striving to liberate our personal interactions from corporate and governmental intrusion in the digital age. This initiative focuses on safeguarding our conversations from exploitation and reclaiming control over our email experience. With its robust search and tagging features, Mailpile efficiently manages your inbox, whether you have a handful of messages or an overwhelming number of them. Designed for speed and responsiveness, it performs exceptionally well even on slower devices and remains functional without an Internet connection. The integration of OpenPGP signatures and encryption is fundamental to Mailpile's framework, ensuring that securing your emails is straightforward and intuitive. In a world where many web-mail services substitute spam with their own ads, Mailpile stands out by providing an ad-free environment for its users. Additionally, Mailpile emphasizes user privacy and control, allowing individuals to communicate freely without the looming presence of advertising distractions.
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    ZixMail Reviews
    ZixMail, a desktop email encryption service, provides users with high levels of security in email communications. It is an easy-to use service that allows users to encrypt and decrypt email attachments and emails with just one click. ZixMail, a unique Email Encryption solution, is trusted by top figures in Government, Healthcare, Legal, and Financial. It focuses on both the sender as well as the receiver experience. ZixMail combines best-in-class encryption technology with simple interfaces to meet your organization's email security requirements.
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    MailHippo Reviews

    MailHippo

    MailHippo

    $4.95 per month
    Sending and receiving HIPAA-compliant emails has never been so simple and cost-effective. With MailHippo, you can securely transmit sensitive information and attachments without any complicated setup or configurations; just register and start using it immediately. The platform employs end-to-end encryption to ensure that your emails and attachments remain protected, both while being sent and stored. Additionally, MailHippo seamlessly integrates with your existing email address and works with any email service provider. It is optimized for use on smartphones and tablets, making it highly convenient. You also receive a special link that allows you to collect secure emails from anyone easily. Take advantage of our limited-time Beta program to access our secure encrypted email messaging service for FREE and experience the peace of mind that comes with HIPAA compliance!
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    Atomic Mail Reviews
    Atomic Mail is a privacy-focused email hosting service that prioritizes user security while delivering a seamless email experience. It offers a range of features including the ability to create multiple email aliases for enhanced privacy, ensuring a spam-free environment with no advertisements, and providing email password protection. Additionally, Atomic Mail incorporates end-to-end encryption, allowing only you and your designated recipient to access the contents of your messages. The service guarantees zero access encryption, meaning Atomic Mail itself cannot view your emails, thus upholding your privacy. Furthermore, account recovery is simplified through the use of a unique seed phrase, enabling you to regain access to your account without sacrificing security. This combination of features makes Atomic Mail a reliable choice for individuals who value both privacy and ease of use in their email communications.
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    KMail Reviews
    KMail serves as the email client within Kontact, KDE's all-in-one personal information management tool. The default configurations prioritize essential features while ensuring robust security and privacy measures. It offers comprehensive end-to-end encryption, with built-in support for OpenPGP and S/MIME, complemented by a user-friendly setup and key generation wizard to help users start their encryption journey. Additionally, KMail supports transport encryption through SSL/TLS, along with various authentication methods, including GSSAPI (Kerberos) and OAuth2. The application also maintains strong isolation for HTML content, preventing any hidden external references in emails that could compromise user privacy or leak sensitive information. Furthermore, KMail’s phishing protection system alerts users to suspicious links within emails. It also includes spam protection functionalities, allowing integration with popular local spam checkers like SpamAssassin or Bogofilter, ensuring that users can manage unwanted emails effectively. Overall, KMail combines a wealth of features to provide a secure and user-friendly email experience.
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    myMail Reviews
    An efficient way to oversee multiple email accounts seamlessly is essential. If your email provider lacks push notifications, myMail has you covered. Tired of being disturbed by late-night emails or having your barbecue interrupted? You can choose when to receive those notifications, putting you in control. myMail enhances your inbox with profile pictures of your contacts, allowing you to instantly recognize who is reaching out. Additionally, it features icons from popular platforms for quick sender identification. For friends without avatars, no worries—myMail simply displays the initial of their name. Ultimately, myMail excels at what it’s designed to do: streamline your email management effectively, ensuring you never miss an important message. With traffic compression technology, your emails arrive in your inbox rapidly, allowing you to save your data for other activities, such as enjoying that entertaining video. This app maintains impressive speed even as your collection of messages and contacts expands significantly. Plus, myMail's user-friendly interface makes navigating your email a breeze, enhancing your overall experience.
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    Tutanota Reviews
    Everyone deserves secure email communication, and Tutanota stands as the most robust option available, designed for ease of use while prioritizing privacy. By signing up for free, you can regain control over your inbox. With features like end-to-end encryption and two-factor authentication, the security of your emails is unprecedented. The integrated encryption ensures that your mailbox is solely yours, preventing anyone from accessing or deciphering your information. Being open source allows security professionals to audit the code that safeguards your emails, enhancing trust. Our Android application is free from Google services, positioning Tutanota as the premier open source email platform. Accessible via both iOS and Android, your secure messages are always at your fingertips. Our swift web client and comprehensive applications ensure that sending encrypted emails is a seamless experience. We prioritize your email safety by providing a service free from intrusive advertisements, continuously working to deliver encryption that allows you to concentrate on what truly matters. From our straightforward and minimalistic interface to customizable options, Tutanota is dedicated to meeting your email requirements effectively.
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    Mailspring Reviews
    Elevate your efficiency and enhance your email communication with Mailspring, the premier email client compatible with Mac, Linux, and Windows systems. It supports multiple accounts, including IMAP and Office 365, and features touch and gesture controls, advanced shortcuts, rapid search capabilities, the option to undo sent messages, a unified inbox, read receipts, link tracking, and much more, all while offering themes and layouts like dark mode and being available in nine different languages. Mailspring's indexing capability allows you to use sophisticated, Gmail-like search queries to sift through message contents across all linked accounts, ensuring that no email ever goes missing. Gain insights about your audience, send timely follow-ups, and transform clicks and opens into useful information. Mailspring Pro serves as your indispensable email assistant for both sales and business, unlocking additional features that go beyond the limitations of the free version. With Mailspring Pro, you can snooze emails, schedule reminders, and send messages at a later time without restrictions, empowering you to take charge of your inbox effectively. Moreover, recognizing and understanding your contacts and customers can significantly enhance your ability to engage with them.
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    Vivaldi Mail Reviews

    Vivaldi Mail

    Vivaldi Technologies

    Free
    Vivaldi Mail is an integrated email client that resides directly within your web browser, allowing for seamless management of emails from various accounts, mailing lists, and feeds all in one consolidated inbox. It maintains a comprehensive database of your messages, labels, filters, and searches, forming the foundation of its robust email functionalities. All emails from your different accounts are indexed for offline searchability, making it a practical solution for users. Having an email client embedded in your browser is a logical choice that enhances productivity. Users can easily compose messages in new tabs, manage multiple emails simultaneously, and take advantage of Vivaldi’s extensive tab functionalities. Within Vivaldi Mail, two counters are displayed next to your folders: 'Unseen' indicates new emails that you have yet to view, while 'Unread' signifies emails you have opened but not yet addressed. To enhance efficiency, you can utilize customizable Keyboard Shortcuts for quicker navigation through your emails. Additionally, the Back and Forward buttons allow you to easily navigate through your email history and views as you work, streamlining your experience even further. This integrated approach not only simplifies email management but also ensures that you stay organized and productive in your communication tasks.
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    Edison Mail Reviews
    Much of our time is consumed by managing emails, frequently focusing on topics related to innovation and productivity. At some point, the essence of effective communication became obscured. In response, we embarked on a mission to create the ultimate mobile mail experience. Stay organized with distinct categories, as the app’s assistant conveniently sorts messages for you, simplifying your search process. Just as peanut butter pairs perfectly with jelly, some features naturally complement one another. Receive timely alerts regarding changes to your flight status, including any delays, cancellations, or gate alterations. Keep an eye on price drops for recent purchases with notifications that help you save money. Use the assistant to access weather forecasts for your upcoming travels, ensuring you pack appropriately. Get real-time notifications when your packages are on their way, and easily check the details through the assistant. Tired of newsletters and mailing lists that clutter your inbox? The app can help you identify those you may wish to unsubscribe from. Additionally, the assistant provides quick access to directions for your next flight or hotel, allowing for effortless navigation with a single tap. By integrating these features, we aim to enhance your overall email management experience.
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    QQmail Reviews
    The QQmail application offers a superb email experience along with immediate notifications for new messages. You can efficiently check your QQ emails on an Android device, receiving notifications as soon as messages arrive. Furthermore, you can easily send pictures and files directly from your phone using QQmail, and it allows you to preview attachments online or with various apps on your device. The app also simplifies email management by enabling you to search through all or specific folders, making it easy to organize your inbox, group-mail folder, personal folders, and other POP account folders. Additionally, users can access their enterprise email accounts seamlessly, while ensuring that data is synchronized between their mobile devices and computers for optimal efficiency. Overall, QQmail enhances your email management and communication experience significantly.
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    PBHS SecureMail Reviews

    PBHS SecureMail

    PBHS

    $10 per month per account
    Ensure data privacy compliance effortlessly with PBHS Secure Mail, a robust HIPAA-compliant encrypted messaging platform designed for healthcare professionals such as doctors, dentists, and hospitals. Enjoy the convenience of not having to install, configure, or maintain any software, as PBHS Secure Mail is accessible from any device and location. Sharing important documents, radiographs, CT scans, and messages is straightforward, with everything organized for easy access by all team members involved in a case. Getting started is hassle-free; simply log in using your ADA Membership ID. Additionally, our optional Outlook Plug-in allows seamless sending and receiving of messages directly through Microsoft Outlook on your computer, ensuring that treatment letters and private communications from your practice management software are encrypted. Moreover, radiographs sent from your digital x-ray systems to Outlook are also protected. You can continue your usual email practices with colleagues and patients without compromising HIPAA compliance, allowing for a smooth transition to secure communications. This way, you can focus on providing quality care while maintaining the highest standards of data security.
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    Mailock Reviews

    Mailock

    Beyond Encryption

    $9.30 per user per month
    Mailock secure email provides businesses with the ability to share sensitive information with clients while safeguarding their data against potential breaches. By integrating industry-leading encryption technology and multi-factor identity verification, it ensures that confidential emails are shielded from cyber threats and that customer data remains secure. Users can easily craft a secure email from their desktop or browser, employing specific rules and keywords to trigger encryption. Additionally, they can establish authentication hurdles to confirm the identities of their recipients, ensuring that only authorized individuals can access the information. Comprehensive audit trails are maintained for each message, allowing users to monitor recipient engagement through instant read receipts. Recipients also have the option to encrypt their responses at no cost. This service not only facilitates secure communication but also empowers clients to interact safely with your business. Furthermore, it enables the efficient delivery of confidential documents to customers in large quantities through automated secure email processes. Ultimately, Mailock enhances the integrity and confidentiality of business communications, fostering trust and security in client interactions.
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    Hornetsecurity Email Encryption Reviews
    Business correspondence frequently includes sensitive information, whether internal or personal, that may be vulnerable to unauthorized access if not adequately safeguarded. To ensure a secure and comprehensive email exchange, consider utilizing Hornetsecurity's Email Encryption for trustworthy communication. Emails sent out are automatically encrypted using established technologies such as PGP, S/MIME, or TLS, based on the configured policies and the availability of the necessary certificates, all without requiring any additional action from the user. When the sender's public key is accessible, their messages are seamlessly decrypted and delivered to the intended recipient. Given the stringent compliance mandates, prioritizing data encryption has become crucial. In a corporate setting, the majority of sensitive information and file exchanges occur through email, making it imperative to secure the transmission pathways to protect this valuable data effectively. By implementing robust encryption measures, businesses can significantly reduce the risk of data breaches and enhance overall information security.
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    Send It Secure Reviews

    Send It Secure

    Protected Trust

    $15 per month
    Send and receive encrypted emails that comply with HIPAA and GLBA requirements. Protected Trust Email Encryption has been rebranded as Send It Secure by Protected Trust. You might remember us as either Protected Trust Email Encryption or simply Protected Trust. With the expansion of our email encryption capabilities and an increase in our service offerings, we felt it was the perfect moment to introduce a new identity for our email encryption product. This rebranding aligns with our commitment to providing a trusted product in the market, and we are thrilled to enhance your experience with improvements tailored to your needs. Acknowledged as a leading solution for the secure transfer of sensitive information, we prioritize your trust and the safeguarding of your data. We're eager to share our refreshed email encryption solution, Send It Secure by Protected Trust, and look forward to supporting your secure communication needs more effectively than ever before.
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    Clyton Reviews
    Clyton is an email client that offers advanced security and spam filtering capabilities. The spam filter can be configured to support DNS blacklist checking (DNSBL). The default configuration will eliminate 85% of spam. Mail that appears suspicious but is not spam is quarantined for 24hrs. The blacklist is then retested to ensure the blacklist has enough time to respond to new sources of spam. The integrated address book allows for personalized mass-mailings. Without your permission, email received cannot run scripts, download multimedia or use embedded objects. Other features include whitelisting, encrypted storage, whitelisting and attachment viewer. You can also drag and drop messages, create message templates and use SSL encryption.
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    MsgSafe.io Reviews
    Effortlessly generate an unlimited number of email addresses, each linked to its own set of contacts, while maintaining the confidentiality of your actual email account. You can share these addresses with others, ensuring that your personal email remains protected from telecom companies, governmental entities, and cybercriminals who may want to monitor your communications. Each virtual mailbox comes with robust 4096-bit GPG and S/MIME encryption keys and certificates, guaranteeing that all emails stored within MsgSafe-io are secure and encrypted. You have the capability to customize the encryption settings for each individual contact you interact with. Safeguard your entire family or organization by overseeing all identities and email addresses associated with your existing domain. If you're lacking a domain, our domain registration services allow you to acquire one that seamlessly integrates with MsgSafe-io along with the necessary privacy safeguards. Concerned about the privacy of services like FaceTime, Skype, Duo, or Hangouts offered by major corporations such as Apple, Microsoft, and Google? Opt for our secure and private audio and video communication tools instead, where you can invite others to connect with you via a simple browser link. This way, you can enhance both your security and privacy during online interactions.
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    Mailtrim Reviews
    Reinventing email so it can live in your inbox This powerful mail tool is a standout and can be used to send and receive well-structured email communications. All your emails sync Manage all your contacts and emails from multiple accounts in one place. The best free email client. Highly customizable. The mailtrim, the best outlook alternative, gives your email a fresh look. You can choose from a variety of customizations to create a unique business email. The best free email client. Private and secure. You have 24/7 control over the emails you send or receive. This secure email client can be purchased and pgp encrypted to hide your emails. It has a sophisticated and elegant UI. High user-experience and minimally designed interface. You can find everything quickly! This is the best free email client that you can use for personal or professional use. It has an intuitive user interface and is easy to navigate. This easy-to-use email client for mac and windows allows users to send smart messages.
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    Newton Mail Reviews

    Newton Mail

    CloudMagic

    $49.99 per year
    Introducing an innovative email application designed with cutting-edge features to enhance business communication in today's fast-paced world. This app is crafted to provide joy and efficiency across all your email accounts, compatible with devices such as iPhone, iPad, Android, Mac, and Windows. With built-in Read Receipts, Newton automatically tracks your sent emails, ensuring you stay informed without any extra effort. This functionality not only provides instant feedback but also enables you to follow up on messages promptly and effectively. The Recap feature intuitively highlights conversations that require your attention or follow-up, while also managing emails with due dates and reminders, ensuring that nothing is overlooked. The Tidy Inbox functionality helps you maintain a streamlined experience by automatically filtering out newsletters and other distractions, allowing you to concentrate on what truly matters. Additionally, for those who prefer to manage tasks outside their inbox, Newton provides the convenience of saving emails directly to productivity tools like Todoist, Evernote, OneNote, Trello, or Asana with just a single click, thereby enhancing your organization and efficiency. Embrace a more productive email experience that meets the demands of modern communication.
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    RMail Reviews
    RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.
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    Aspida Mail Reviews
    Aspida Mail was designed to prioritize ease of use. We understand the necessity for you to maintain your regular business operations effortlessly. The installation process for Aspida Mail is straightforward and compatible with any device that supports IMAP. Furthermore, Aspida ensures that your communications are secure, as it is an encrypted email service compliant with HIPAA regulations. With this in mind, you can focus on your work while enjoying peace of mind regarding your email security.
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    Document GPS Reviews

    Document GPS

    ShelterZoom

    $5 per month
    Introducing a unique solution for tokenizing your digital files directly from your email, providing a seamless way to safeguard documents, videos, audio files, and more with just one click. Enjoy simplified ownership and control over your digital content like never before, all while maintaining your existing email attachment workflow with end-to-end encryption. With the ability to manage who can download, share, and view your attachments, you can ensure that your files remain secure. Real-time tracking allows you to see who has accessed your files, whether they downloaded, shared, or viewed them. This innovative platform streamlines the management and oversight of your email attachments in a single library, making it easier than ever to keep track of important documents. Clients can receive a secure link for safe file exchanges, enhancing the security of your communications. Additionally, you can block your device screen to guard against unauthorized screenshots and copying of sensitive information. Experience unlimited electronic signatures directly within your email, delivering unmatched convenience and protection. This robust system effectively mitigates risks associated with data breaches, ransomware, and wire fraud, ensuring comprehensive security from desktop to mobile and beyond. Always retain control over your files, knowing who originated them and their intellectual property rights, while enjoying peace of mind in your digital transactions.
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    Spike Reviews
    Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.
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    Canary Mail Reviews
    Email, meet AI. Canary can send your emails, prioritize what is important, silence spam, and much more. Say hello to your Inbox Copilot!
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    K-9 Mail Reviews
    K-9 Mail caters to both beginners and experienced users, providing a wide array of features suitable for everyone. It includes a customizable debug logging option that users can enable to assist in troubleshooting issues and errors. As an open-source project focused on privacy, we intentionally avoid implementing a continuous logging system that would send all device activity to a central server. Although such a feature could simplify problem resolution, it would involve significant server hosting costs and jeopardize user privacy. The significance of communication security continues to grow, and K-9 Mail is committed to delivering user-friendly email security in various ways, ensuring both secure access to email servers and the protection of the emails themselves. Ultimately, our priority is to empower users with tools that not only enhance functionality but also safeguard their information.
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    Z1 SecureMail Gateway Reviews

    Z1 SecureMail Gateway

    Zertificon

    from $ 1.50 per user/per month
    25% of the top 100 German companies with the highest turnover choose Zertificon's solutions. We make Enterprise Email Encryption effortless for secure communications with anyone, anywhere, with our Z1 SecureMail Gateway solution. Your entire organization encrypts and decrypts, just as well manages and verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires very little maintenance. Furthermore, the browser-based admin interface does not call for any special skills. Keys are managed automatically, and security policies are centrally enforced. Integration into your cloud or on-premises email infrastructure is quick and straightforward. Your business and workflows are uninterrupted – no employee training is required, and recipients get a frictionless experience. Encryption is centrally customizable and proofed against human error with Z1 SecureMail Gateway. You can quickly establish and maintain compliance and the highest levels of security. You also own your encryption keys and get German-engineered data sovereignty with no backdoors.
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    TouchMail Reviews

    TouchMail

    TouchMail

    $29.99 one-time payment
    1 Rating
    TouchMail is an innovative email application that consolidates all your accounts into a single interface featuring a vibrant and visually appealing layout, designed to enhance your email management efficiency. This versatile app operates seamlessly with both touchscreens and traditional keyboard-and-mouse setups. Users can easily assign color codes to messages based on the sender, allowing for quick visual identification and streamlined browsing. With just a few taps, you can reduce clutter and efficiently organize emails from your most frequent contacts. It has earned its reputation as the top-rated email application for Windows 10, boasting over 1.5 million downloads and recognition as one of Microsoft's "Essential Windows 10 Apps." Whether using a touchscreen or swiftly navigating with a mouse or touchpad, TouchMail provides the fastest and simplest means to access important messages while discarding unnecessary ones across various services, including Gmail, Outlook.com, Yahoo Mail, iCloud, AOL, Office 365, and numerous IMAP accounts. This app transforms your email experience into a colorful and interactive inbox, allowing you to engage with your messages in whichever way you prefer—via touch, mouse, keyboard, or stylus—while enjoying rich visual elements and customizable message tiles. TouchMail not only enhances productivity but also turns email management into an enjoyable process.
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    StartMail Reviews
    StartMail offers secure and private email services that prioritize your privacy. You can generate disposable email addresses whenever you need to protect your personal inbox from unwanted spam. We believe in privacy as a basic human right, and StartMail makes it easy to safeguard yours. With just one click, you can send password-encrypted messages, even to recipients who don’t use encryption. . Our service follows strict Dutch privacy regulations, which are among the most robust globally, and aligns with European privacy standards. For businesses, we offer custom email addresses for your own domains. Best of all, there’s no software to install—setup is simple and takes just minutes.
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    SmarterMail Reviews

    SmarterMail

    SmarterTools

    $500.00/one-time
    SmarterMail is the ideal Microsoft Exchange alternative. First, it's the only business email server on the market that offers native support for the protocols that power Exchange: MAPI, EWS, and EAS. It does this without the need for any additional software or plug-ins for Microsoft Outlook or other clients -- desktop and mobile! Best of all, it offers all of the features of Exchange, but at a FRACTION of the cost. In addition, features like audio and video group chat, and Online Meetings for team meetings and group collaboration are included at no extra charge. It's designed to provide the functionality businesses need, without sacrificing secure, reliable access to business, and personal, communication.
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    Amazon WorkMail Reviews
    Amazon WorkMail is a secure, managed email and calendar solution designed for businesses, offering compatibility with various desktop and mobile email clients. Users can effortlessly access their emails, contacts, and calendars via their preferred applications, including Microsoft Outlook, native email apps for iOS and Android, any IMAP-compatible client, or through a web interface. Additionally, Amazon WorkMail can be integrated with existing corporate directories, allows for email journaling to fulfill compliance obligations, and provides control over data encryption keys and storage locations. The service also supports interoperability with Microsoft Exchange Server and enables programmatic management of users, groups, and resources through the Amazon WorkMail SDK. With straightforward pricing set at $4 per user monthly, each account includes a generous 50GB of storage, making it an economical choice for businesses of all sizes. This combination of features ensures that organizations can maintain secure communication while leveraging their existing infrastructure.
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    Notion Mail Reviews
    Notion Mail is an innovative email platform powered by AI, designed to transform the traditional inbox with its sleek, customizable interface aimed at optimizing communication and boosting productivity. It offers seamless integration with Gmail, enabling users to organize their emails using AI-generated auto-labeling that sorts messages according to their content, such as job offers, travel confirmations, or newsletters. The platform allows the creation of personalized "Views" to filter emails by topics, senders, or urgency, which helps users concentrate on what truly matters. Additionally, it features Notion-style slash commands for easy formatting, built-in scheduling connected to Notion Calendar, and AI-enhanced email drafting to speed up responses. Users can take advantage of snippets that serve as reusable email templates, which significantly cuts down on repetitive writing tasks. Notion Mail also prioritizes security with stringent standards such as SOC 2 Type 1 certification and HIPAA compliance, ensuring that user data remains secure and confidential. This combination of features not only elevates user experience but also encourages a more organized approach to email management.
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    Mail Pilot Reviews
    Mail Pilot is an email application that prioritizes user privacy while assisting individuals in overcoming email overload and organizing their inboxes. Featuring a minimalist and focused design, it enables users to highlight their most crucial emails while categorizing others into a serene and manageable system. Supporting all standard IMAP email servers, Mail Pilot keeps your emails stored directly on your device, steering clear of any third-party servers. This native macOS app adopts an intuitive task-oriented method for handling emails, allowing users to turn emails into actionable tasks, schedule messages, and archive correspondence effortlessly. With a strong commitment to privacy and simplicity, the app’s design has garnered accolades for enhancing both the efficiency and aesthetic appeal of email management. Furthermore, Mail Pilot creates a secure setting for users to manage both personal and professional emails, empowering them to take control of their inboxes without experiencing stress. Ultimately, the app stands out as a practical solution for anyone seeking to regain control over their email communication.
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    Sylpheed Reviews
    Sylpheed is a versatile, lightweight e-mail client that combines an array of features with ease of use. It boasts an intuitive user interface, making it accessible for both novices and advanced users, especially as it supports keyboard-centric navigation. Compatible with various operating systems, including Windows, Linux, BSD, Mac OS X, and other Unix-like environments, Sylpheed utilizes the GTK+ GUI toolkit, with the latest version requiring GTK+ 2.4 or higher, and 2.6 or later being recommended for optimal performance. As free software released under the GNU GPL (with its library components under the GNU LGPL), users can freely utilize, modify, and share the application. Sylpheed features a user-friendly 3-pane layout reminiscent of popular Windows e-mail clients like Outlook Express and Becky, making it particularly approachable for first-time users. The ongoing enhancements to its user interface ensure that Sylpheed remains a comfortable and efficient tool for managing emails. Additionally, the consistent updates reflect a commitment to improving user experience and functionality.
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    Airmail Reviews

    Airmail

    Airmail

    $2.99 per month
    Airmail 3 is a fully accessible email client tailored for iOS, macOS, and watchOS devices. With its email workflow optimized through a multitude of customization options, custom actions, and seamless integration with various applications and services, Airmail stands out as a versatile mail client. It is crafted to empower users to personalize their experience according to their individual needs. You can connect and integrate your preferred apps while creating unique actions that simplify your communication tasks. Whether you're working on a Mac, an iPad, an iPhone, or an Apple Watch, Airmail is readily available to assist you. Users can add a variety of email accounts, including Gmail, GSuite, iCloud Mail, Exchange, Office 365, Microsoft Outlook, IMAP, and POP3, making it adaptable for all types of users. The unified inbox feature allows you to view all your incoming emails from different accounts at once, and you have the option to exclude specific accounts from this consolidated view. For those moments when you need to prioritize important messages, the smart inbox feature is designed to highlight the emails that matter most. This ensures that you never miss critical communications while managing your daily workflow effectively.
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    SquirrelMail Reviews
    SquirrelMail is a webmail solution that adheres to standards and is developed using PHP. It offers native support for both IMAP and SMTP protocols entirely in PHP, ensuring that all its pages are displayed in pure HTML 4.0, which eliminates the requirement for JavaScript and enhances compatibility with various browsers. With minimal setup requirements, it is straightforward to configure and install. SquirrelMail provides a comprehensive range of features typical of any robust email client, such as excellent MIME support, an address book, and the ability to manage folders. Our organization recognized the necessity for global access to email and address books, making a web-based interface the most practical choice as long as users are connected to the Internet. After evaluating several open-source options, it became clear that significant customizations would be necessary to tailor the software to our specific requirements. This realization pushed us to prioritize flexibility and adaptability in our email solution.
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    EncryptTitan Reviews
    EncryptTitan, a complete encryption system for MSPs & Enterprises, allows users to securely exchange information via email. EncryptTitan gives organizations the tools to comply with federal and state privacy regulations while protecting their business. No on site hardware required. Send unlimited encrypted email using a secure solution. Ultimate scalability. EncryptTitan has pre-built DLP policies and settings that will look for regular content in the message body or attachment to automatically encrypt messages. The outlook plug in can be used with our keyword encryption deployment, where the user can select which emails to be encrypted for the add in. EncryptTitan helps the safeguarding of private information & avoidance of litigation & bad press which can impact customer trust. Book your demo today and learn more about EncryptTitan.
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    Trojitá Reviews
    Trojitá is an email client designed specifically for providing quick and effective access to mailboxes via the IMAP protocol. In this setup, an IMAP mail server retains emails and enables clients to retrieve them to their local devices upon request. The program emphasizes efficiency, rapid performance, and adherence to open standards as its primary objectives. Trojitá is also crafted to be versatile, operating seamlessly across a variety of devices, from large desktop systems to compact mobile phones. It functions independently as a standalone application rather than being integrated into a broader "personal information manager" suite. This independence allows users to enjoy a focused email experience without unnecessary features.
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    Claws Mail Reviews
    Claws Mail serves as an email client and news reader built on the GTK+ framework, offering a responsive, elegant, and advanced interface alongside simple configuration, user-friendly operation, a wealth of features, and strong extensibility coupled with reliability and stability. Its design is intentionally crafted to be approachable for newcomers transitioning from other well-known email clients while still catering to the needs of seasoned users. Nearly all functions can be executed using keyboard shortcuts, significantly enhancing usability. The software handles messages using the conventional MH format, which ensures quick access and safeguards user data. You can easily import emails from virtually any email client, and the export process is equally straightforward. Additionally, various plugins enhance functionality with features like an RSS aggregator, calendar, and management of laptop LED indicators. Claws Mail is made available under the GPL license, encouraging community contribution and improvement. With its combination of powerful features and user-centric design, Claws Mail stands out as a versatile choice for email management.
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    SendSafely Reviews

    SendSafely

    SendSafely

    $11.50/user/month
    SendSafely is a comprehensive end-to-end encryption solution tailored for contemporary businesses. It allows for the effortless sharing of encrypted files and sensitive information across any device, simplifying secure file exchanges. With a focus on security, it is trusted by prominent brands that prioritize the safeguarding of customer data. The platform is compatible with all major web browsers, requiring no software installation or management of encryption keys. Designed to aid in compliance with essential regulations such as HIPAA, GDPR, and CCPA, SendSafely offers a Business Associate Agreement (BAA) for added assurance. Users can choose from various pre-built integrations or create custom solutions using the developer API. The platform includes business-specific features like user management, single sign-on, and options for custom branding. Furthermore, SendSafely connects seamlessly with numerous popular third-party systems, enhancing them with end-to-end encryption. This capability allows businesses to incorporate encryption into their existing workflows, thus extending the functionality of their current applications and infrastructure. In today’s digital landscape, ensuring the security of data exchange is not just a necessity, but a vital component of maintaining trust with clients.
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    Cisco Secure Email Encryption Service Reviews
    Even with the increasing popularity of text messaging, instant messaging, and social media, email remains the leading tool for business collaboration. However, the inherent vulnerabilities of email can put sensitive information at risk from cyber threats. The Cisco Secure Email Encryption Service, which was previously known as Cisco Registered Envelope Service, offers robust security and effective controls for conventional email communication. This service seamlessly integrates with most widely used email platforms and fits comfortably into users' daily email workflows. The encryption process can be activated either through specific policies or through data loss prevention mechanisms. Once initiated, Cisco Secure Email generates an encryption key, which is then used to secure the message within an HTML envelope before it is sent to the intended recipient. If Envelope Storage is activated, both the key and the message are temporarily held within the Secure Email Encryption Service. Recipients can easily access their messages by clicking a link, which allows them to open the email on any device they choose. Ultimately, the Secure Email Encryption Service is built on advanced technology that employs some of the most effective email encryption algorithms available, ensuring a high level of data protection. This commitment to security not only helps safeguard sensitive information but also builds trust in email communications.
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    AOL Mail Reviews
    AOL Mail offers a secure and enjoyable email service for millions globally. As a leading media and technology enterprise, AOL embodies the pinnacle of innovation and premium content. Our sustained growth and transformation stem from nearly ten years of nurturing our internal capabilities, strategic acquisitions, and the meticulous integration of top-notch technologies and talents available. Currently, AOL leverages its four foundational elements—video, mobile, advertising technology and platforms, and open ecosystems—both across its owned properties like The Huffington Post, TechCrunch, MapQuest, and MAKERS, as well as in collaboration with brands to engage new audiences and create captivating stories in unprecedented ways. Additionally, AOL operates as a subsidiary under Verizon's umbrella, ensuring robust support for its operations. Stay updated by following us on Twitter @AOL_Inc.
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    BlueFiles Reviews
    When you need to swiftly share a confidential file or email with a customer, partner, or employee outside your organization and beyond the secure network, it is crucial to follow best practices. The CNIL strongly recommends that businesses and organizations implement data encryption during transfers and ensure personnel are educated about potential risks. Data encryption plays a vital role in contemporary data protection strategies. By utilizing specialized encryption solutions such as BlueFiles, companies can transform their data into a format that is unreadable to anyone except the intended recipient. BlueFiles offers a solid guarantee for all your digital data transfers, ensuring file integrity, complete confidentiality, remote file control, and tracking capabilities. This method not only saves time and enhances user experience but also reduces costs, allowing for secure communication over the Internet without the threat of sensitive data exposure. Additionally, under GDPR regulations, organizations must take proactive measures to encrypt personal data transfers to avoid severe penalties, emphasizing the importance of compliance in today’s digital landscape. By adopting these practices, businesses can foster trust and security in their communications.