Ability Mail Server is an advanced, secure and high performing mail server. Featuring SMTP, POP3, IMAP4, WebMail, Remote Admin, LDAP, SSL, SPAM Protection with Bayesian, RBL filters, SPF, Grey Listing, Black and White Listing, Antivirus Protection, 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 3.1.2 updates OpenSSL to version 1.0.1g which includes the heartbleed vulnerability fix.