1)   PostMaster Express 5.2
PostMaster Express has been built for organizations who are looking for pure and simple e-mail connectivity with a basic of pre-loaded rules that ensures zero maintenance, optimum resource utilisation and maximum productivity.
MailServer, PostMaster, Email, Antivirus, Antispam, E-Mail Server, Messaging Solution, Internet Communications, Corporate Mail Systems, IQuinox,

 2)   PostMaster Enterprise 5.2
PostMaster Enterprise is meant for organisations who have gone beyond just e-mail connectivity - who are looking at optimising productivity of e-mail.
MailServer, PostMaster, Email, Antivirus, Antispam, E-Mail Server, Messaging Solution, Internet Communications, Corporate Mail Systems, IQuinox,