On 4/9/2016 10:00 PM, Curtis Villamizar wrote: > Since I enabled postscreen (with soft_bounce=yes in master.cf) I was > getting logs of this form: > > Apr 9 01:08:12 mta1 postfix/postscreen[18326]: > NOQUEUE: reject: RCPT from [2607:f8b0:4002:c05::22d]:32999: > 450 4.3.2 Service currently unavailable; > from=<redac...@gmail.com>, to=<REDACTED>, > proto=ESMTP, helo=<mail-yw0-x22d.google.com> > > linefeeds added by me for readability. > > gmail would just keep trying a half hour later and mail never gets > delivered. > > rfc3463 isn't very helpful: > > X.3.2 System not accepting network messages > > The host on which the mailbox is resident is not accepting > messages. Examples of such conditions include an immanent > shutdown, excessive load, or system maintenance. This is > useful for both permanent and permanent transient errors. > > I have lines of the form: > > main.cf: > postscreen_access_list = > cidr:$config_directory/postscreen_access > hash:$config_directory/postscreen_reject > > postscreen_access: > # google mail servers > 2607:f8b0:4002:c00::/60 permit > [... other google server blocks ...] > > This is a workaround that shouldn't be needed. > > Any idea what the cause of this is? So far no legit mail except gmail > gets caught here. > > Curtis >
Look for other warnings and errors in your logs, maybe just before the reject, maybe earlier. -- Noel Jones
