AtMail Open has been discontinued. Similar sites and apps include Zoho Mail, which has a free version. Other options are Roundcube, Horde, Webmail Lite and Squirrelmail. You can choose from more than 10 WebMail Providers like AtMail Open for Linux, self-hosting, iPad, Mac and Windows.
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
India
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
Switzerland
Enterprise-level, browser-based suite for IMAP email, calendar, contacts, tasks, notes, wiki, and file management, offering syncing, shared and unlimited resources, multilingual support, customizable dashboard, and integration with mobile and external clients.
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
Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.
United States
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia
Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be delivered to a file location on disk where it can be retrieved for delivery later.
United States
EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements.
Italy
EU
The world's first email hosting that makes communication inside your team easier with fewer meetings. Host your professional email on a secure, privacy-guaranteed, and ad-free email hosting service built-in with features like email marketing services can do.
Indonesia
