btb: > On 2014.07.07 12.39, Wietse Venema wrote: > > Find out why it takes 6.2 seconds to connect over TCP and to > > complete the SMTP handshake with the remote SMTP server. > > given postscreen_greet_wait, it's a coincidence that the remote server's > postscreen logs show that same delay ~6 second delay, but list it as > PASS OLD:
There is no conincidence. "PASS OLD" means that the SMTP client already had a record in the postscreen cache. To avoid ruining your address verification performance with postscreen delays, use the postscreen_access_list feature. http://www.postfix.org/postconf.5.html#postscreen_access_list Wietse
