Apps similar to Atmail Email Server include Gmail, which is free. Other options are Microsoft Outlook, Zoho Mail, eigen and Apple Mail. WebMail Providers like Atmail Email Server are a crowded field, with more than 50 alternatives for the web, iPhone, Windows, self-hosting and Linux.
Mac IMAP email client featuring keyboard control, Markdown email composition, advanced search capabilities, smart mailboxes, automatic signature handling, cryptographic options with OpenPGP/S-MIME, tagging, multiple notifications, and customizable layouts including widescreen.
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.
Netherlands
EU
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
United States
Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell ads, or invade your privacy, they charge $99/year for HEY
United States
Commercial email service emphasizing OpenPGP message encryption, SSL/TLS security, two-step authentication, file storage, custom domains, iOS support, spam filtering, ad-free web interface, and secure communications accessible via browsers and existing clients.
Canada
The drastically upgraded & secured fork of RainLoop Webmail Community edition.
NetherlandsEU
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
GermanyEU
Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web browser based email client software for Windows ASP.
United States
SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers.
Thexyz build the best tools around for email to make your life simple. Continually updating the product offerings to give customers the very best in email and domain technology.
Canada
A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours.
United States
eclipso Mail & Cloud is an complete and secure e-mail system from Germany with many useful and practical functions: Antispam, unlimited email folders, webmail, mobile app, Postoffice, fax and cloud storage. and many more.
GermanyEU
