On 14/08/16 01:43, Alexander Dalloz wrote: > as Ned has already explained the version of Postfix on CentOS 6 will > most certainly stay what it is. If you want to use a more current > release then consider switching to Potfix 3.1 provided by the > ghettoforge repository. Peter who is maintaining that package is very > active to follow new upstream releases. http://ghettoforge.org/index.php/Postfix3 Peter