Open source Free Mail Server & Webmail: XMail Server Lite

XMail Server Lite works on both Linux and Windows, and the web modules run on both major web platforms: ASP.NET and PHP. No database required.

The server is capable of managing SMTP/ESMTP & POP3 protocols with web-based administration panel.

It supports unlimited domains/users including virtual domains & aliases.

XMail Lite also offers anti-virus integration, bayesian filters (for spam protection) & a logging functionality of all the activities.

The Webmail Lite can display folders/nested folders, has an address book, multilingual & much more.

Features

Requirements: Windows or Linux OS
Website: http://www.afterlogic.com/products/xmail-server-lite
Download: http://www.afterlogic.com/download/xmail-server-lite