Best Email Security Software for Microsoft Outlook

Find and compare the best Email Security software for Microsoft Outlook in 2025

Use the comparison tool below to compare the top Email Security software for Microsoft Outlook on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    NeoCertified Secure Email Reviews
    Top Pick
    NeoCertified secures sensitive information via our secure email app across our versatile Cloud-based platform. It works on any web browser through Microsoft Office 365/Outlook plug ins and Gmail integration. You can also download the iPhone + Android mobile apps directly to your mobile devices. Since 2002, we have been providing federally compliant, secure mail solutions. We have helped businesses send and get secure emails from any web browser or mobile device. NeoCertified works with all email providers, giving businesses the flexibility and guaranteed protection they need.
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    Mailfence Reviews
    Top Pick

    Mailfence

    Mailfence

    $2.50/month/user
    21 Ratings
    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.
  • 3
    Trustifi Reviews
    Top Pick
    Trustifi provides industry-leading email security solutions that help small, medium, and large enterprises manage threat detection, regulatory compliance and data encryption. Easily deployable on Outlook, Gmail, and any other email server via relay **Advanced Threat Protection** -Malware/ransomware virus detection and BEC attack prevention and alarms **Data Loss Prevention** --100% compliant HIPAA/HITECH and PII, GDPR. FSA, LGPD, CCPA and more **Encryption** -NSA-grade. Only select Enterprise customers have access the company branding and product white-labeling. One-on-one training for teams. There are many encryption requirements, so there is no one-size-fits all solution for email security. Many times, customized solutions are available on request and often free of charge.
  • 4
    PreVeil Reviews

    PreVeil

    PreVeil

    $20 per user per month
    5 Ratings
    PreVeil revolutionizes end-to-end encryption, offering robust protection for organizations' emails and files against threats like phishing, spoofing, and business email compromise. The platform is designed to be user-friendly for employees and straightforward for administrators. With PreVeil, enterprises gain access to a secure and intuitive encrypted email and cloud storage solution that safeguards critical communications and documents. Utilizing top-tier end-to-end encryption, PreVeil ensures that data remains secure throughout its lifecycle. Additionally, the platform features a “Trusted Community” that facilitates safe communication among employees, contractors, vendors, and other external parties. This innovative feature allows users to share sensitive information confidently, knowing they are protected from common cyber threats. Ultimately, PreVeil empowers organizations to maintain a high level of security while fostering a collaborative environment.
  • 5
    365 Total Protection Reviews
    Hornetsecurity 365 Total Protection was specifically designed to protect the Microsoft 365 business environment. It provides comprehensive protection for all 365 cloud services, including Microsoft Office 365 and Microsoft Outlook 365 email. Hornetsecurity offers two packages that will meet the needs of your organization: 365 Total Protection Business - A complete security solution for Microsoft 365 customers 365 Total Protection Enterprise--adds advanced protection mechanisms and enhanced features. You'll be able to quickly onboard and use the solution intuitively. This will simplify your IT security management and ensure that your Microsoft 365 environment is protected at all times.
  • 6
    PhishTitan Reviews
    Powerful Inline Phishing Protection for M365. Harness the power of AI and our LLM to defeat phishing. PhishTitan is next generation inline phishing protection and remediation, powered by TitanHQ, the global leaders in email cybersecurity. Our learning model and AI integrates directly with Microsoft 365, both catching and remediating sophisticated phishing and BEC attacks that Microsoft misses. It provides users with in-the-moment warning banners to help them decide whether an email is malicious or safe, continually enhancing the human firewall. Post delivery remediation (PDR) allows you to remove all of these phishing emails from your users inbox removing risk instantly. The removed email goes to the junk folder. Our curated and unique email threat intelligence data is unmatched in its simplicity, visibility, coverage and accuracy. Risk free deployment in 6 minutes. PhishTitan will filter your email to identify phishing threats and protect your users and business. That’s how you avoid that one wrong click that can lead to disaster – all it takes is 6 minutes!
  • 7
    Checkpoint Anti-Spam and Email Security Reviews
    Check Point Anti-Spam & Email Security delivers extensive safeguards for messaging systems by employing a multifaceted strategy that secures email frameworks, offers precise anti-spam measures, and shields businesses from numerous threats including viruses and malware spread through email. With an impressive spam detection accuracy of 97%, it features advanced anti-spam capabilities that utilize both content analysis and IP reputation to enhance protection. Additionally, it provides antivirus solutions that leverage both zero-hour and signature-based detection methods, ensuring robust defense. The system also includes Email Intrusion Prevention System (IPS) features to guard against Denial of Service (DoS) and buffer overflow attacks. Configuring and managing this mail security solution is straightforward, requiring minimal administrative effort. Users retain comprehensive control without needing to install additional software, as the system is designed for ease of use. Real-time detection and updates ensure that organizations receive prompt defenses against emerging threats. Furthermore, it is seamlessly integrated into the Check Point Infinity Architecture, allowing users to activate anti-spam and email security on any Check Point security gateway effortlessly. This combination of features makes it an essential tool for organizations looking to enhance their email security posture.
  • 8
    MD OfficeMail Reviews

    MD OfficeMail

    MD Office Mail

    $1.89 per mailbox per month
    2 Ratings
    Experience hassle-free, secure, and HIPAA compliant email solutions designed to meet your needs. Our services include HIPAA compliant email hosting, email encryption, and faxing, making it the most user-friendly option available. With end-to-end encryption, we ensure that security protocols are rigorously upheld, allowing for plain yet secure communication between MDOM users without the need for password decryption. Our features include intelligent automation, legal archiving, customizable options, and the ability to enforce expiration on sent messages. Users can configure their settings to send unencrypted emails by default, with the option for on-demand encryption. Additionally, "EmailYourDoc" allows anyone to send secure messages to a MDofficeMail user easily. You can try our fully functional 30-day FREE TRIAL with no strings attached, making it an ideal choice for those seeking reliable compliance solutions in their communication. Don't miss out on this opportunity to enhance your email security effortlessly!
  • 9
    Kerio Connect Reviews
    Experience secure, enterprise-level email, calendar, and collaboration tools without breaking the bank. Kerio Connect offers a comprehensive suite of features and capabilities for messaging and collaboration without the intricacies and hefty costs associated with other platforms. It seamlessly integrates email with shared calendars, scheduling, contact management, tasks, notes, shared and public folders, and instant messaging. You can synchronize your messages directly to your preferred mobile devices using Microsoft ActiveSync. The Instant Messaging feature is compatible with XMPP, allowing use with various third-party chat and IM applications on both desktop and mobile devices. Installation of Kerio Connect takes just 10 minutes, with users able to start working within an additional 10 minutes. This solution can be deployed either on-premises or through partner-hosted cloud environments, accommodating users on Mac, Windows, or Linux systems. Furthermore, it provides comprehensive support for Outlook on both Windows and Mac, as well as numerous other IMAP or POP-compliant email clients, ensuring versatility and ease of integration for all users.
  • 10
    Hornetsecurity Advanced Threat Protection Reviews
    Thanks to the extensive capabilities of Advanced Threat Protection, even the most advanced cyber threats are rendered ineffective; tools such as freezing, URL scanning and rewriting, the Sandbox Engine, and Malicious Document Decryption work together to counter various attack techniques, ensuring robust defense against dangers like Ransomware, Targeted Attacks, Business Email Compromise, and a host of others. This multi-layered approach significantly enhances the security of your IT infrastructure, offering peace of mind in an increasingly perilous digital landscape.
  • 11
    Xink Reviews

    Xink

    Xink

    $1/user/month
    Centrally manage email signatures for all users on all their devices. The platform is built for Microsoft 365 and Google Workspace, and it has decades of experience with email signature management. Get consistent, branded and up-to-date signatures for all employees across devices, departments, and geography. Create customized and targeted email signature marketing banners below the contact details to share updates, achievements, values, promote content and much more! All with clickable call-to-actions to help you drive traffic and interest. With role-based login, the marketing or communications department can easily manage it. After the initial setup (45 min), IT has no workload. Safely hosted at ISO 27001-certified data centers (Microsoft Azure). This ensures the best, most secure data storage available – under all laws and regulations, including GDPR.
  • 12
    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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    Encyro Reviews

    Encyro

    Encryo Inc

    $9.99/month/user
    Encyro offers secure file storage, encrypted email and electronic signatures. Encyro's award-winning design makes it easy for you and your clients. Clients don't have to sign up for portal accounts. File sharing and encrypted messaging Encyro allows you to send directly to any email address. Encyro protects your data both during transmission as well as storage to ensure that you are in compliance with HIPAA and other compliance standards such as the GDPR, FINRA and SOX. Securely receive via your custom-branded upload page. Clients do not need to log in or go through additional steps. Electronic Signatures Encyro esignatures are designed for remote signing to protect your transaction. You can control the login options as well as the type of signature to ensure that only the right person is signing. Encyro offers custom branding, automated reminders, re-usable templates for e-sign, and re-usable Encyro e-sign templates. Access codes that comply with NIST-8006363 can be sent by SMS or text for additional security.
  • 14
    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.
  • 15
    LuxSci Reviews

    LuxSci

    Lux Scientiae

    $4 per/user/month
    LuxSci's mission is to keep personal data safe while reliably protecting the world’s communications. LuxSci specializes in providing HIPAA-compliant web and email communications services. LuxSci creates uniquely secure and customizable enterprise-grade environments and solutions that enable organizations to confidently meet their specific business and security needs at scale. Our services include Secure Email, Web, and Forms.
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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!
  • 17
    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.
  • 18
    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.
  • 19
    Keepnet Labs Reviews
    Keepnet's extended platform for human risk management empowers organizations to build security cultures with AI-driven simulations, adaptive training and automated phishing responses. This helps eliminate employee-driven risks, insider threats and social engineering within your organization and beyond. Keepnet continuously assesses the human behavior through AI-driven simulations of phishing across email, SMS and voice, QR codes, MFA and callback phishing. This helps to reduce human-driven cybersecurity risks. Keepnet's adaptive learning paths are tailored for each individual based on their risk level, role, and cognitive behavior. This ensures that secure behaviors are embedded in order to continuously reduce cyber risk. Keepnet empowers its employees to report threats immediately. Security admins can respond 168x quicker using AI-driven analysis, automated phishing responses and automated responses. Detects employees that click on phishing links frequently, mishandle information, or ignore security policy.
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    Suped Reviews

    Suped

    Suped

    $11/month
    Suped offers a comprehensive email deliverability solution that unifies multiple security and monitoring tools into a single platform to safeguard domains against email spoofing and phishing. It transforms complex DMARC reports into clear, actionable steps that help users maintain domain integrity and improve email placement. The platform includes features such as inbox placement testing, spam complaint tracking, and real-time alerts to ensure emails reach their intended recipients. Suped supports and monitors critical email authentication standards including DMARC, SPF, DKIM, MTA-STS, and BIMI to enhance sender reputation across providers. Additionally, it tracks domain and IP reputation continuously and detects blocklisting early to prevent deliverability issues. Backed by industry-leading reliability with 99.99% uptime and average alert times under five seconds, the platform is built for scale. Integration with numerous popular marketing and analytics tools, such as HubSpot and Salesforce Marketing Cloud, consolidates data for comprehensive deliverability insights. Suped’s intelligent copilot provides tailored recommendations to optimize sending practices for better email performance.
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    RMail Reviews

    RMail

    RPost

    $7/month/user
    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.
  • 22
    Avanan Reviews
    Enterprise AI cloud security is crucial for safeguarding against threats such as phishing, malware, data breaches, account takeovers, and shadow IT, particularly for comprehensive cloud applications like Office 365™. Traditional security measures often overlook a significant number of harmful emails, highlighting the need for enhanced email security solutions tailored to protect businesses effectively. In response to this challenge, Avanan revolutionized email security in 2015, recognizing that conventional gateways were unable to adapt to the evolving cloud landscape. Their patented technology provides robust security for all collaboration applications, addressing threats like ransomware, account takeovers, business email compromise (BEC), and supply chain attacks. Impressively, Avanan has achieved a 99.2% reduction in phishing attacks making it to users' inboxes. Utilizing True AI, which draws on extensive data sets, Avanan is designed to intercept even the most advanced phishing attempts prior to them reaching users' inboxes. The implementation of API, machine learning, and AI plays a pivotal role in enhancing cloud email security. Serving over 5,000 customers, with a notable 60% hailing from large enterprises, Avanan has garnered recognition as a leading email security solution in both Gartner Peer Insights and G2. This innovative approach not only fortifies security but also ensures that businesses can operate confidently in the cloud environment.
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    MailList King Reviews

    MailList King

    Xequte Software

    $99.50 one-time payment
    MailList King provides a robust mailing list server solution right on your PC, making it simple to create, oversee, and engage with individuals who are interested in your website, products, or organization. This software seamlessly integrates with widely used email applications like Outlook and Gmail, or it can connect directly to your mail servers to manage mailing list communications, including subscriptions, unsubscriptions, and undeliverable messages, while also sending processing confirmations and double opt-in verifications along with the customized rich text messages you design. If you're currently juggling a mailing list using Excel or Outlook Contacts, MailList King can significantly streamline your process by automatically managing the addition and removal of contacts, allowing you to focus more on crafting engaging newsletters and impactful sales communications. There's no need for advanced computer skills to utilize MailList King, making it an accessible choice for anyone looking to enhance their email marketing efforts. Moreover, its user-friendly interface ensures that even those with minimal technical knowledge can benefit from its powerful features.
  • 24
    Echoworx Reviews
    As a cloud-based, full-managed SaaS email encryption provider, Echoworx alone offers 8 ways to send protected mail, with support for 9 authentication options and up-to 28 languages – ensuring secure communication anywhere, on any device. Key features: • Multiple ways to send secure mail ( Web Portal, S/MIME, PGP, Secure PDF, Certificate Encryption, Secure Attachment (PDF, Office, ZIP), TLS with fallback) • More authentication options (Full OAuth Access, Self-Registration, SMS, Shared Secret Passphrase, SSO, System-Generated Verification Codes, Passwordless, and Multi-Factor Authentication (MFA) • Free full proof of concept trial (POC) • 24/7 expert support • End-to-end deployment • Recall and tracking options for secure mail • Extensive branding • Self Service Account Management
  • 25
    BooleBox Reviews
    BooleBox serves as a robust content security platform dedicated to safeguarding the integrity and confidentiality of client data against unauthorized access, employing top-tier encryption methods to shield sensitive information from cyber threats. With its sophisticated encryption technology and a range of customizable security options, users can effortlessly create, edit, share, and categorize files and folders without sacrificing ease of use. BooleBox's solutions ensure that your data remains protected across various environments, whether at the office, in the cloud, during email transmission, in collaborative projects, or on widely used platforms like Windows, Outlook, Gmail, OneDrive, and SharePoint. Recognizing the potential digital vulnerabilities that exist, we provide unparalleled protection, acting as a vigilant guardian for your data that remains with it at all times. Our commitment to safeguarding your information extends to managing substantial volumes of data across diverse business sectors. Since our inception in 2011, we have consistently delivered this essential service, adapting and evolving to meet the changing needs of our clients. Our dedication to data protection not only enhances security but also fosters trust and reliability in digital interactions.
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