Postfix is slow accepting incoming mails

2018-03-08 Thread Nikolai Dahlem
Hi all, I am running postfix 2.6.6 on CentOS 6.9 and I get a throughput of only 3-5 mails per second. It does not matter if I send via sendmail or SMTP to localhost with keep-alive. There must be a Problem somewhere in my postfix config, but I haven't been able to find it. I deactivated

Re: Postfix is slow accepting incoming mails

2018-03-08 Thread Nikolai Dahlem
Would it be possible to say if this performance is sending or receiving mail? It is receiving mail (time to finish the smtp dialog) Either way, show the `delays='' logging, which reports the time spent in different stages of delivery. The format of the "delays=a/b/c/d"

Re: Postfix is slow accepting incoming mails

2018-03-09 Thread Nikolai Dahlem
Am 2018-03-09 13:13, schrieb Wietse Venema: delay=0.51, delays=0.21/0/0.17/0.13 Just to be sure, these numbers include receiving and delivering mail. 0.21time from message arrival to last active queue entry 0 time from last active queue entry to connection setup 0.17time in