On 12/01/17 13:14, jdehnert wrote: > I'm running this in a Centos 7.2 system, but the Postfix version is a rather > old 2.10.1 > > Would moving up to Postfix 3.1 help? > > I hate breaking the package manager by installing from source, but if 3.1 > can resolve my issues I will give it a try.
No need to install from source, you can get postfix 3.1 packages for CentOS here: http://ghettoforge.org/index.php/Postfix3 That said, I don't see any reason why Postfix 2.10 can't relay to office 365. Can you please show relevant postfix logs of an attempt at such? Peter
