Ability Mail Server is an advanced, secure and high performing mail server. Featuring SMTP, POP3, IMAP4, WebMail, Remote Admin, LDAP, SSL/TLS, SPAM Filtering with Bayesian, RBL filters, SPF, Grey Listing, Black and White Listing, Antivirus Filtering, Content Filtering, POP3 retrievals, ODBC, mailing lists, static routing, domain administrators, aliases, redirections, auto-responses, user filtering, multiple folders, address books, IPv6 support, and clustering. Combines maximum functionality with ease of use.
What's new in this version:
Version 3.1.5 adds a new freeware mode that runs after the initial 30 day trial period ends and also removes the expiry period on all newly purchased Ability Mail Server 3 licenses.