24.01.2018 12:54, Bastian Blank пишет: > On Wed, Jan 24, 2018 at 12:19:39PM +0200, Sohin Vyacheslav wrote: >> Sometimes when server is busy Postfix does not write all the data to >> maillog. > > Postfix does never write directly to the maillog. This is delegated to > your syslog server. If this one drops messages you have to fix it.
sometimes in maillog exists many messages like this: postfix/smtpd[17658]: warning: Connection concurrency limit exceeded: 51 from host[ip-address] for service smtp -- Vyacheslav
