Think it was a rate limit set in journalctl... I hopefully fixed it by: [root at xxxx ~]# cat /etc/systemd/journald.conf.d/noratelimit.conf [Journal] RateLimitBurst=0 and [root at xxxx ~]# systemctl restart systemd-journald Thx Am 28.01.2016 um 16:15 schrieb Rainer Traut: > > # grep B8678C1DD078 /var/log/maillog > > Jan 28 15:35:11 x postfix/smtpd[17752]: input attribute value: B8678C1DD078 > Jan 28 15:35:11 x postfix/smtpd[17752]: B8678C1DD078: client=x, > sasl_method=LOGIN, sasl_username=x > Jan 28 15:35:11 x postfix/cleanup[17755]: B8678C1DD078: > message-id=<1535444742.91269.1453991711730.JavaMail.tomcat at x> > Jan 28 15:35:11 x postfix/smtpd[17752]: > x: 250 2.0.0 Ok: queued as > B8678C1DD078 > Jan 28 15:35:11 x postfix/qmgr[17622]: B8678C1DD078: from=<x>, > size=20507, nrcpt=1 (queue active) > > And another one working with the same destination domain: > > # grep 9DD4AC1DD078 /var/log/maillog > > Jan 28 15:35:11 x postfix/smtpd[17752]: input attribute value: 9DD4AC1DD078 > Jan 28 15:35:11 x postfix/smtpd[17752]: 9DD4AC1DD078: client=x, > sasl_method=LOGIN, sasl_username=x > Jan 28 15:35:11 x postfix/cleanup[17755]: 9DD4AC1DD078: > message-id=<995903891.91260.1453991711622.JavaMail.tomcat at x> > Jan 28 15:35:11 x postfix/qmgr[17622]: 9DD4AC1DD078: from=<x>, > size=3099, nrcpt=1 (queue active) > Jan 28 15:35:11 x postfix/smtpd[17752]: > x: 250 2.0.0 Ok: queued as > 9DD4AC1DD078 > Jan 28 15:35:11 x postfix/smtp[17756]: 9DD4AC1DD078: to=<x>, relay=x:25, > delay=0.11, delays=0.02/0/0.04/0.05, dsn=2.0.0, status=sent (250 2.0.0 > Ok: queued as AE7B241052) > Jan 28 15:35:11 x postfix/qmgr[17622]: 9DD4AC1DD078: removed > > In the broken one there is a qmgr missing and smtp is not sending out. > Any ideas? >