Send Mail Postfix through Gmail's SMTP on a Ubuntu LTS Server Last updated: Oct 1, 2007 After looking on the internet for awhile I finally found a decent guide on how to setup Gmail SMTP through postifx; however, after following the guide I found that it left parts out or things didn’t work quite the same on a Ubuntu server. This guide is intended to get Gmail’s SMTP set up through postifx on a LT