BatPost!

 System Administrators will appreciate fast and simple server installation and its ease of use and maintenance. Server software fits the requirement to provide company employees both with Internet addresses and internal mail and/or message network traffic. BatPost mail server runs under Windows NT, Windows 2000, Windows XP, Windows 2003 and Windows Vista.

Features
Unlimited number of domains and users
Aliases and mailing lists
User groups
User folder management
Flexible rule-sets
Black-lists and accept-lists
Monitoring and logging server activity, ODBC logging
POP3, SMTP and IMAP protocols
SSL/TLS support via OpenSSL
DNS black-list (RBL) support for antispam
Store configuration data (domains, users, etc.) anywhere (accessvia driver)
Server, domain, user and folder oriented events
Strong authorization methods (CRAM-MD5)
Support NTLM authorization method for compatibility with Microsoft(R) products
Interface in English, Russian and Ukranian languages
Certified for Windows Vista

Benefits
Fast
Easy-to install
Modest use of system resources
Handles hundreds of simultaneous connections without speed degradation
Provides great security