Best Web-Based Email Management Software of 2025

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.

Get the power to create, control, and deploy company email signatures and fire up a new marketing channel with world leading email signature management. Exclaimer are the industry leaders in email signature software, giving you complete control, and ensuring you always show your brand and business at its best. Whether you work with Office 365, Google Workspace or Exchange, we can re-energize your sign off

Create and manage the email signatures your company needs. Our award-winning signature generator and management platform makes it easy for individuals to create a professional email signature, and for companies to manage company-wide, unified branding across all employee signatures. Rich features such as banner campaigns, videos, disclaimers, online schedulers, and more, help users achieve their business goals. WiseStamp integrates easily with Google Workspace, Microsoft Exchange, Gmail, Outlook, and every other email platform.

BrandMail®, created by BrandQuantum, is an innovative software tool that integrates seamlessly with Microsoft Outlook, enabling all employees within the organization to automatically generate emails that consistently reflect the brand through an easy-to-use toolbar that grants access to brand guidelines and the most current pre-approved materials. With this solution, email signatures are crafted according to your branding requirements, ensuring a uniform appearance regardless of the device or platform used to view them. These signatures are secure and managed from a central location, providing peace of mind regarding their integrity. Notably, users can view their signatures, banners, and surveys when composing, replying to, or forwarding emails. Unlike other solutions, BrandMail does not redirect emails through external servers nor does it modify the rules within your exchange environment, functioning entirely within Microsoft Outlook. By utilizing BrandMail, organizations can turn every email into a branding opportunity while also reducing the security vulnerabilities linked to the manipulation of HTML signatures, thereby enhancing both brand consistency and cybersecurity. This not only streamlines communication but also reinforces the brand identity across all employee interactions.

Shift is your power browser. The only browser to merge all your applications into one beautiful window. Connect all of your email accounts and manage all your apps from one powerful window. Streamline everything you do online when you install Shift and access thousands of apps without leaving your browser. Tired of juggling apps, hundreds of tabs, and multiple accounts? Most browsers make that feel messy, Shift makes it simple.

SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!

Intradyn's email archiving solutions are trusted and reliable, safeguarding your organization in the face of potential litigation, eDiscovery requests, or Right to Know inquiries. Gain peace of mind knowing that your emails will remain secure, searchable, and readily accessible. Intradyn offers diverse, innovative archiving solutions designed to address various business challenges, from regulatory compliance to legal matters. Our versatile products cater to all industries and can be customized to suit your specific environment through different deployment options. Experience the power of comprehensive social media archiving across multiple channels effortlessly accessed through a unified interface. Our solution ensures compliance with regulatory requirements by maintaining all content in evidence quality. Capture, categorize, and index all mobile content, including MMS and SMS, empowering you to retrieve crucial information whenever needed conveniently. Real-time archiving capabilities effectively preserve all mobile communications for future reference.

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.

CloudFiler is an email filing and search tool that works on all Outlook platforms including: PCs, Macs, iPhones, iPads, Android phones & tablets and all popular browsers. File to: the cloud, Windows folders, SharePoint, OneDrive, Egnyte, etc. Designed to work with Exchange on-line and Microsoft 365, it provides fast and reliable email filing and search via any device. CloudFiler is a web Add-in and thus works with 'New Outlook'

You are looking for a powerful tool to add consistent branding, disclaimers, and signatures to every email that leaves your company's inbox? Crossware Mail Signature is our award-winning tool. Features - Add logos, graphics and social media icons to your email headers or footers. Use powerful rules to apply your signatures whenever, wherever and however you want. - Signatures from all devices and email clients - You can control every part of your signature with separate blocks. - Visual / HTML code editor - View signatures in real-time, based upon recipients and senders View your signatures in Outlook and see your signatures within Sent Items. Intelligent and dynamic signature application - Choose your Microsoft Datacenter to deploy into Our browser-based editor allows you to edit anywhere. Start your Free Trial to discover why we are the world's leading signature solution.

Retake control of your email. InMoat allows you to select the emails that are most important to you, so you don't miss a beat. The Smart Filters you choose will be sent to your Inbox in a prioritized manner. Your VIP List of Contacts Emails sent from within your company, such as from your boss or colleagues, will always be prioritized by default. InMoat allows you to keep your Trusted List up-to-date, so you can ensure that your VIP contacts are always prioritized in your email inbox. Your @InMoat folder You can review the less urgent and less important emails whenever it is convenient for your workflow so that you don't waste time. You can review all your emails in your @InMoat mailbox whenever you like. Your InMoat Dashboard Your InMoat dashboard allows you to manage your email priorities and keep your inbox current. Review your suggested contacts and add them to your Trusted List. Also, update your Trusted contact list.

With SpinOffice, you create a central spot for your mail, business contacts, appointments, tasks, projects, folders, documents, files and notes. No matter what you’re working on, how big or small the task may be, SpinOffice makes it super easy to get stuff done. And best of all, you share all information in the database with your colleagues. That makes SpinOffice CRM the ultimate team application for any small and medium-size business. Discover how your business can grow with SpinOffice CRM! Sign up and get started with the free version. Upgrade to Pro for € 27,50 per month per user to get unlimited data storage and more features.

Smart Inbox AI is a way to manage emails by integrating advanced AI into a user friendly interface that resembles a Kanban board. This innovative solution uses cutting-edge artificial intelligent algorithms to streamline email organization, prioritize important messages and categorize content. It also generates personalized responses. Key Features Kanban-style Interface, AI-Powered prioritization, Automated email categorization, Personalized responses, Intelligent Insights and Integration Capabilities

LiveAgent provides a complete help desk and live chat platform that simplifies customer interactions by integrating them into a hybrid ticketing system, ensuring easy management and accessibility. It combines a universal inbox, real-time live chat, a self-operating AI chatbot, a built-in call center, and a comprehensive customer self-service portal. Packed with features like sophisticated automation rules, tags, and more than 200 integrations, LiveAgent offers robust customer service software for companies of all sizes. Known for having the fastest chat widget on the market, LiveAgent has supported over 150 million end users worldwide, including notable companies like BMW, Yamaha, Huawei, and Oxford University. Join the growing number of satisfied LiveAgent users delivering exceptional customer service. Start your free 30-day trial today—no credit card required.

Introducing Microsoft 365, previously known as Microsoft Office 365. Unlock your creativity and accomplish your goals with a suite of tools including Outlook, OneDrive, Word, Excel, PowerPoint, OneNote, SharePoint, Microsoft Teams, Yammer, and more. A subscription to Microsoft 365 grants you access to the latest versions of Office applications, both on your desktop and online, along with timely updates as they are released. Whether you're using a desktop, tablet, or smartphone, Microsoft 365 combined with your device and an internet connection ensures you can maintain productivity from any location. OneDrive ensures that your work is accessible from anywhere, allowing for seamless collaboration and sharing with others. Plus, support is readily available through email, chat, or phone, connecting you with a real person whenever you need assistance. Embrace the power of Office today and find the subscription plan that best suits your needs for ultimate efficiency. Now is the perfect time to elevate your productivity game.

CodeTwo Email Signatures 365 is a cloud-based email branding solution. Use it to create and centrally manage email signatures,and automatic replies for all users of your Microsoft 365 (Office 365). The service automatically adds a professional signature to all your emails, works with all email apps and devices. • All email apps and devices (including mobiles) supported • Automatic replies and Out of Office management included • Signatures added directly in Outlook or in the cloud • Sender details automatically pulled from Microsoft 365 (Entra ID) • World’s best HTML signature editor & customizable templates • Signatures added directly under the latest reply or forward • Logos, banners, social media buttons and user photos in signatures • Graphics embedded in signatures (no need to download them in Outlook) • One-click CSAT surveys • Ultra-secure (Microsoft 365 certification + ISO/IEC 27001 & 27018)

Connect, organize, and accomplish tasks efficiently with everything you need—email, calendar, and contacts—all seamlessly integrated in one location. Experience enhanced productivity as you manage emails, schedules, tasks, and more, all from a single interface. With Office integration, you can easily share files directly from OneDrive, access your contacts, and view LinkedIn profiles without any hassle. Schedule conference rooms and manage meeting RSVPs directly through your calendar for a streamlined experience. Collaborate effectively by sharing calendars to coordinate plans and check your colleagues' availability effortlessly. Enjoy peace of mind with the robust security measures that are trusted by some of the largest organizations globally. Outlook works tirelessly to safeguard your sensitive information while ensuring it does not hinder your workflow. It anticipates your requirements by automatically adding travel plans and bill payments to your calendar, complemented by smart reminders that help you stay organized. With an efficient search feature, finding the information you need is quick and easy, making your workday smoother than ever.

EmailOctopus offers the lowest-cost email marketing solution and all the features you need to engage your audience. Drag and drop editor allows you to create beautiful email campaigns. There are a variety of templates available for you to choose from. For new subscribers, you can also create simple landing pages or embed forms. You can create welcome emails and entire onboarding and lead nurturing sequences with time-based automation. Segmentation allows you to send targeted emails to groups. You can use custom fields to import and gather the data that is most important to your audience. You can also segment lists based upon campaign activity. EmailOctopus integrates to over 2,000 apps via Zapier, Integromat and offers a WordPress plugin as well as direct integrations to Carrd, OptinMonster, and BookFunnel. EmailOctopus offers an Amazon SES user Connect product that allows unlimited email per month.

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.

Selzy is a simple email marketing tool for startups. Lightning-fast 24/7 expert support, even on the Free plan. From list growth to segmentation, automation, A/B testing, and analytics, Selzy covers it all. - Launch email campaigns in less than 15 minutes with Selzy’s intuitive drag-and-drop editor. - Grow your audience with ease with embedded sign-up forms or pop-ups. - Automate your campaigns in a few clicks. - Make use of direct integrations with WooCommerce, Shopify, Salesforce, Hubspot, Wordpress, Facebook Lead Ads, and so much more. - Get access to the knowledge base 150+ tutorials.

Introducing Brevo, previously known as Sendinblue — your go-to platform for enhancing customer connections through various channels like Email, SMS, and Chat. This comprehensive toolkit is designed to transform casual visitors into loyal customers. Engage your audience by reaching them directly in their inboxes with visually appealing email campaigns, and send tailored messages that go right into your customers' hands. Brevo enables businesses to cultivate and strengthen relationships through tools such as marketing automation, email outreach, transactional messaging, and SMS services. What sets us apart? Our exceptional customer happiness team drives Brevo, and our flexible pricing plans are sure to bring a smile to your face. With a seamless integration of diverse services in a single, easy-to-use platform, we strive to make your sending experience enjoyable and effective!

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.

Maximize your productivity with Gmail, which has been enhanced to be more secure, intelligent, and user-friendly—allowing you to efficiently manage your inbox and save valuable time. Easily spot new features and prioritize your reading and responses with convenience. Receive gentle reminders to follow up and reply, ensuring that you never miss an important communication. You can check attachments, respond to invitations, postpone messages, and perform various tasks without needing to open every email. With a powerful filter in place, Gmail prevents 99.9% of harmful emails from reaching your inbox, and you’ll be alerted if anything appears suspicious. This makes your email experience not only safer but also more streamlined than ever before.

With Rocketseed email signature software you can create and manage professional company email signatures simply, securely and at scale. Centralized control guarantees consistent email signature branding across your business. Adding clickable marketing banners drives traffic to your website, social profiles and sales platform. Rocketseed’s analytics and reporting shows your email signature success, often delivering a 99% open rate and 20%+ engagement. Rocketseed is compatible with all email clients so you can create and manage email signatures for Microsoft 365, Google Workspace and Exchange. Rocketseed email signatures are mobile-optimized to display perfectly on every device. SME and enterprise businesses across the globe trust Rocketseed email signature management software. Book your personalized demo to get started.

Aid4Mail is a leading email processing tool from Switzerland. It comes in three editions: 1. Use Converter to collect and convert emails accurately, fast, and reliably. It supports all popular mail services (e.g. Office 365, Gmail, Yahoo! Mail) and mailbox file formats (e.g. PST, OST, OLM, mbox). It’s also a popular solution for preparing mail ingestion into archival, eDiscovery and forensics platforms. 2. Investigator adds powerful search queries based on Gmail and Microsoft 365 syntax, native pre-acquisition filters and Python scripting. Use its forensic features to recover deleted and hidden email, and process corrupt or unknown mail formats. 3. Enterprise adds support for Google Vault, Mimecast, and Proofpoint exports. Use it to migrate your company mail to live accounts (IMAP, Microsoft 365, Gmail). You can integrate its CLI seamlessly with your own tools. Enterprise offers flexible licensing options including installation on a server or on a shareable flash drive. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world.