I currently have Postfix 2.11 /MySQL on Centos 6, looking at migrating to current Postfix.
current server: CentOS release 6.x mail_version = 2.11.0 new server: CentOS 7.3 mail_version = 2.10.1 reading some of the ML posts: is ghettoforge the way to do it ? http://ghettoforge.org/index.php/Postfix what can or should I do with current main.cf ? master.cf the idea is to set new server with Postfix 3, have both running till all done thanks for all the pointers and help V (current) postconf -m btree cidr environ fail hash internal ldap memcache mysql nis pcre pgsql proxy regexp socketmap static tcp texthash unix