Squirrelmail is described as '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' and is a webmail provider in the office & productivity category. There are more than 10 alternatives to Squirrelmail for a variety of platforms, including Web-based, Self-Hosted, Linux, Cloudron and PHP apps. The best Squirrelmail alternative is Roundcube, which is both free and Open Source. Other great apps like Squirrelmail are Mailpile, Rainloop, SOGo and Nexmail.
Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and...
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Microservice based webmail client built with ReactJS and Spring.
Minimalistic webmail client which currently has the main features of any other mail client (read mail, compose mail, organize mail folders...).
NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.
MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the industry.
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