About Gattaca Server: Gattaca Server full featured, 100% compatible to existing standards POP3 and SMTP mail server. After purchasing license for Gattaca Server you can register any quantity of users which is necessary. Gattaca Server use DNSBL, SPF, white and black lists for protecting user's mailboxes from SPAM. All incomming correspondence tested with DNSBL, SPF, black and white lists. Gattaca Mail Server working as service under Microsoft Windows NT/2000/XP/2003. [more]