A high performance SMTP message switch. Includes internet messaging, POP3, anti-virus and anti-spam solutions.

Designed to be a fast, secure, and efficient, simple to configure and maintain. Declares no internal mailer. [Linux]

Designed for unlimited users with integrated anti-virus, user configurable spam-filter, web mail interface, disk quotas, POP3, IMAP, and multi-level management.

Combines an e-mail gateway, sms and POP3 server. Includes news, datasheets and overview of products and services.

An Internet e-mail server and gateway for small, and medium sized businesses. Has an overview, features, screenshots, prices, download and requirements. [Win95/98/Me/NT/2000]

Free SMTP mail server and optional MS Outlook PlugIn with C# source code. Receive, filter, identify and eliminate incoming spam mail.

Free POP and SMTP server including aliases, auto-dialling, and internal routing. [Win]

Explains benefits, requirements, downloads for LAN users.

Uses ColdFusion, iHTML or Active State Perl to control mail delivery. [Win95/98/NT/2000]

A standard SMTP/POP3 server for Windows 95/98/NT with unlimited domains and mailboxes. Features dial-up, mail lists, auto reply, and anti spamming. Uses clean ASCII files.