Open source email server for Unix, IBM Public license.

Integrates SSL secured email (SMTP/POP3/IMAP4) with antispam and antivirus, webmail access, instant messaging, voice, groupware, FTP and web server. For Windows and Linux.

Provides Windows-based software, including an email server with antivirus and antispam protection, Outlook integration, and network fax management.

Includes a current version download section, mailing lists, documentation and FAQs, website credits, and Y2K information.

An SMTP/IMAP/POP3 and webmail server with extensions for mailing list management and spam filtering. [GNU/Linux, Unix]

Includes questions, updaters, and features. [Windows]

A perl-based feature-rich web email system supporting access via web, WAP, POP3 or IMAP. Fully customizable, with web-admin, scheduler, migration scripts and Unix/Windows technical support.

Secure IMAP and POP3 server. Download, mailing list archives, documentation, and details of bug reports.

Supportsa numerous standard protocols and services, has virus protection, and other securitz support. [NT/2000/XP]

Email server software for medium to large ISPs and telecommunication providers.