> On Jun 6, 2019, at 6:48 AM, Günther J. Niederwimmer <g...@gjn.priv.at> wrote: > > Now I like to create a secondary postfix for my system. > > What are the best to realize, have this two servers in sync? > > I have enable postscreen, all I found on Internet, is to have installed > memcache is this correct? > > But what can / must I sync?
On relay servers that don't store mailboxes, you don't really need to sync anything. Just let them work in parallel. Postfix is not a mailstore, and synchronizing mailstores is the job of Dovecot and the like... -- Viktor.