Postfix installation Step by step I have already posted on Zimbra mail service, now i am going to share how to install and configure postfix mail server using devocot and squrell mail service, suggest you go into detail study of post fix and other mail server before going to install and use, and different mail protocol i will publish all these on my later edition.Here i am going to tell you some future of post fix mail server,and why we choose postfix. What is post fix? Postfix is an open-source Mail Transport Agent ( MTA ), which supports protocols like LDAP, SMTP AUTH (SASL), and TLS. Operating systems: Postfix runs on every Unix and Linux Operating syst em,It is the default MTA of Linux and Ubuntu operating systems.To install Post fix first we need to uninstall default post fix. Architecture: Postfix consists of a combination of server programs that run in the background, and client programs that are inv