Best Web-Based Email Clients 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.

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.

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.

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.

Google Workspace, the enhanced version of G Suite, brings together all the essential tools you need to boost productivity in a single, user-friendly platform. This integrated workspace simplifies your workflow, allowing you to focus more on your tasks rather than on managing them. With advanced AI and search capabilities, Google Workspace enables you to prioritize what truly matters while it takes care of the rest. You can work seamlessly from any location and on any device, even without an internet connection, thanks to customizable tools designed to cater to your team's specific requirements. Just like G Suite, Google Workspace offers bespoke email solutions for businesses along with a suite of collaborative tools, including Gmail, Calendar, Meet, Chat, Drive, Docs, Sheets, Slides, and Forms. Explore our assortment of plans tailored to address your distinct business needs, and find the one that aligns best with your goals on our pricing page. Experience how Google Workspace can transform the way your team collaborates and achieves success.

Yahoo Mail offers a complimentary email service provided by Yahoo and features a mobile application designed for efficient email management. We appreciate your interest in the Yahoo Mail app, recognized as an excellent tool for organizing various email accounts, including Gmail, Microsoft Outlook, AOL, AT&T, and Yahoo itself. If you're looking for a streamlined inbox, enhanced personalization options, multiple displays for sorting deals, receipts, and attachments, or increased storage capacity, this app is equipped to meet your needs. With its user-friendly interface, managing your emails has never been easier or more efficient.

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.

Select an email address from our extensive array of domains, ranging from @elvisfan.com to @consultant.com, tailored to accommodate all your preferences. At mail.com, you have the opportunity to create a distinctive and personal email address that reflects your identity, entirely at no cost. Begin by selecting your preferred username along with one of the 200 available email domains listed below. You can also opt for a premium account to unlock additional exclusive features. After signing up for a free account, upgrading is a straightforward process. mail.com serves as a complimentary webmail service based in the United States, providing a diverse selection of unique email domains, a customizable interface, and a variety of useful features included with every email account. Acquired in 2010 by the German United Internet Group, which is recognized as Europe's foremost internet specialist and ranks among the largest web hosting providers globally, mail.com continues to evolve and enhance its offerings. With such a rich history and a commitment to user satisfaction, mail.com is dedicated to providing a superior email experience for all its users.

Front is the all-in-one customer service platform built for collaboration. Our powerful customer service platform makes five-star service attainable for over 9,000 businesses like yours.

Your Team Email, SMS and WhatsApp accounts can be shared in a shared Inbox. It is not possible to share an email account login between team members. Helpwise is an easy-to-use shared inbox that allows you to access your team's email accounts such as help@, sales@ and jobs@. It becomes difficult to manage internal and customer emails (billing, hiring, etc.) as the business grows. Then, we make a mistake by sharing email logins between team members. We have experienced the same pain in our previous businesses and gigs. Helpwise is the shared inbox that actually works! We all love Outlook, Gmail, and other great email clients. Helpwise is as simple as these email services. You won't be able to miss them. Each team member will have their own login to access the same email address. No more password sharing! Higher productivity and better security!

RainLoop Webmail stands out as an excellent email solution due to its modest system requirements, solid performance, and straightforward installation and upgrade process, all while eliminating the need for a database. It features a modern user interface and fully supports IMAP and SMTP protocols with SSL and STARTTLS encryption. Users can benefit from Sieve scripts for filters and vacation messages, all while maintaining minimal resource consumption. The system allows direct access to the mail server, meaning emails are not stored locally on the web server, which enhances efficiency. Additionally, users can link multiple accounts to a primary account, and the platform supports simultaneous access to different accounts in various browser tabs. It also accommodates additional identities and includes an administrative panel for easy configuration of main settings. With an incredibly simple installation and update process, RainLoop integrates seamlessly with popular services like Facebook, Google, Twitter, and Dropbox, while also allowing for effective folder management and straightforward customization of its look and feel. The platform boasts a configurable multi-level caching system and the ability to extend its functionality through plugins that can be installed via the admin panel. Moreover, it ensures perfect rendering of complex HTML emails and allows users to utilize drag-and-drop features for emails and attachments, making it a versatile and user-friendly choice for managing email communications. Overall, RainLoop Webmail provides a comprehensive solution that combines efficiency, ease of use, and modern features.

Experience email that prioritizes your well-being, featuring elements you'll adore. You receive our complete dedication and professional assistance whenever necessary. Your email contains the nuances of your existence, safeguarded here rather than exploited for profit. Enjoy a fast and considerate email service, including calendars and contacts—all completely free of ads. Designed with your needs at the forefront, our smart features are sure to impress. While many internet corporations capitalize on your personal data, it doesn’t have to be that way. Reclaim your privacy and enhance your email experience. With reliable email support, you can focus more on what truly matters to you. Access Fastmail effortlessly through your browser, mobile devices, and desktop applications like Outlook, Thunderbird, and Mac Mail. Navigate your day effortlessly with email, calendars, and contacts merged into a single application. Easily migrate your existing data while keeping your life in order with a comprehensive inbox. Consolidate all your calendars into one view and effortlessly share them with loved ones. Use your own custom domain to ensure you own your email address for a lifetime. Enjoy the peace of mind that comes with knowing your information is safe and under your control.

Kiwi transforms Gmail and integrates Google Apps like Docs, Sheets, and Slides into a cohesive and comprehensive desktop office suite experience. With Kiwi, you can operate Gmail and Google's productivity tools as standalone applications beyond the web browser, featuring a range of powerful enhancements. While Gmail is a robust tool, the browser serves as a versatile utility; for those engaged in serious tasks, Kiwi provides a competitive advantage. We have developed a sophisticated engine that enables users to manage multiple accounts simultaneously without any conflicts, maintaining 100% fidelity in functionality. This seamless integration extends to Google Drive, as well as Docs, Sheets, and Slides. You can dynamically adjust your inbox view to filter for emails received today, over the last two days, or the past week, and further refine this list to showcase only those marked as Important, Unread, with Attachments, or Starred, allowing for a focused selection of your most pertinent communications. If you wish to access additional emails, simply click to modify the view or revert to your previous settings, giving you complete control over your inbox experience. In this way, Kiwi not only enhances productivity but also simplifies email management significantly.

It's difficult to be productive when you spend half of your time reading emails and half flipping between platforms to inform your team. A single app is what you need to move faster and keep everyone on the same page. Loop Email is a collaboration hub that connects your team. You can chat, share files, and manage shared mailboxes easily. It brings together messages, emails, and files all in one app. Loop Email allows teams to connect, collaborate, and communicate in one place. Available for Mac, Windows and iOS.

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.

Transform unread emails into successful transactions with the only email platform designed specifically for sales professionals. This innovative email client caters uniquely to the needs of salespeople. In the realm of sales, the newest email isn't necessarily the most significant. It's crucial to focus on the opportunities that are most likely to generate revenue. Conventional email services fall short in this aspect, but SalesInbox excels. This platform automatically prioritizes and categorizes your emails based on the deals that are most relevant to you. Manage your tasks more efficiently by viewing and acting upon information directly from your inbox. By aligning your email organization with your sales pipeline, you can keep track of the deals that truly matter. Effective communication hinges on having the right context; thus, understanding every nuance about your client enables you to formulate more effective responses. Additionally, you can receive alerts for follow-ups and important conversations, ensuring you never miss an opportunity. With SalesInbox, you can enhance your follow-up speed and streamline the entire process through automation. This leads not only to increased productivity but also to a higher success rate in closing deals.

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.

Managing your inbox has never been simpler, especially within the Microsoft email framework. Our services extend to various platforms including outlook.com, hotmail.com, live.com, and msn.com. There's no reason for email to be visually unappealing; a disorganized inbox mirrors a messy workspace, hindering your ability to focus effectively. By employing the UX principle of progressive disclosure, Hiri ensures you are presented only with the information you require at any given moment. Exceptional design is fundamental to our approach; for instance, the center pane in Hiri maintains a consistent width across all screen resolutions. This design choice is based on the ideal readable length of a sentence, approximately 96 characters, as exceeding this can disrupt the flow of reading while shorter lengths can lead to unnecessary eye strain. Ultimately, our goal is to enhance your email experience by combining functionality with thoughtful design.

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.

Pingly is a contemporary and aesthetically pleasing email service designed for the needs of the modern internet user. Rediscover the joy of emailing with its user-friendly and streamlined interface. More than just an email client, Pingly serves as a comprehensive email provider, allowing you to host your emails on your own domain. Collaborate effortlessly with your team through Channels, as Pingly combines email and team chat within a single cohesive platform. This integration helps you save precious time and maintain focus without the hassle of juggling multiple applications. Pingly acts as your central communication hub, enabling seamless messaging and conversations via Email, Text, and Voice from one unified location. By consolidating email and team chat, Pingly ensures that you can concentrate on productivity and efficiently accomplish your tasks. Whether serving a business or a personal project, Pingly is tailored for organizations of all sizes, accommodating everyone from individual entrepreneurs to large teams. With Pingly, setting up email on your domain takes just minutes, allowing your team to collaborate effectively in no time and enhancing overall communication strategies. Embrace the future of email with Pingly and experience a new level of connectivity.

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.

Zero is a privacy-focused email application that is open source, providing users with a customizable experience that emphasizes security. Users can effectively organize their emails into different categories like primary, important, personal, updates, and promotions, which streamlines navigation and management. By being open source, Zero fosters a spirit of community collaboration and transparency, allowing users to actively participate in its ongoing development and improvement. This approach not only enhances the software but also builds a strong user community that shares a commitment to privacy.

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.

Zimbra 9: Collaboration Superheroes! Users can seamlessly switch between desktop, tablet, and mobile browsers while enjoying consistent email and collaboration experiences. It is extensible and offers best-in-class integrations with Slack and Dropbox. There are many more in development. Zimlet framework allows you to customize Zimbra according to your needs. Zimbra's reliable server infrastructure ensures that customers have the security, privacy, and data sovereignty they expect. Upgrade to Zimbra 9 is easy and requires no data migration. Zimbra 9's responsive, modern UI is built on Zimbra’s reliable server infrastructure. This ensures the security, privacy, and data sovereignty that you have come to expect from Zimbra. Zimbra 9 is flexible, extensible and unlike competitors that use closed platforms. Get out of Microsoft and Google and integrate with third-party collaboration services such as Dropbox, Zoom, and Slack.

We completely overhauled the inbox from the very beginning to enhance your performance in your tasks. Our design is tailored specifically for those who demand excellence. Superhuman is not only visually stunning but also incredibly fast, boasting a suite of advanced features that empower you. With capabilities like A.I. Triage, Undo Send, social network insights, Follow-up Reminders, Scheduled Messages, and Read Statuses, you are equipped with tools that elevate your productivity. Superhuman is designed to be so swift, enjoyable, and intuitive that it feels like you possess superhuman abilities. Our mission was to create the most aesthetically pleasing email experience ever conceived. We have diligently examined every pixel and painstakingly honed each interaction. Each aspect, from the iconography to the typography, has undergone relentless refinement. Given that the average person spends around three hours each day managing email, it is essential that the experience is not only functional but also subtle, delightful, and visually appealing. We believe that when you invest so much time into something, it should inspire and elevate your daily interactions.