On Sat, Feb 18, 2017 at 12:06:49PM -0600, /dev/rob0 wrote: > On Sat, Feb 18, 2017 at 05:43:03PM +0000, Chris Green wrote: > > I am trying to diagnose why messages from on system fail to arrive > > whereas identical messages from another similar system arrive > > successfully. > > > > Both systems are single board computers running postfix 2.9.6 under > > Debian. The main.cf on both systems is identical. Both systems are > > connecting to the same SMTP server for relaying. > > > > On the system where the message is sent and received successfully I > > see (in /var/log/mail.log):- > > Feb 18 17:32:51 pi postfix/pickup[25898]: 2009B22C52: uid=1000 > > from=<chris> > > Feb 18 17:32:51 pi postfix/cleanup[25978]: 2009B22C52: > > message-id=<20170218173251.2009b22...@pi.zbmc.eu> > > > Feb 18 17:32:51 pi postfix/qmgr[21159]: 2009B22C52: from=<ch...@zbmc.eu>, > size=294, nrcpt=1 (queue active) > > Feb 18 17:32:52 pi postfix/smtp[25980]: 2009B22C52: to=<ch...@zbmc.eu>, > relay=mail3.gridhost.co.uk[95.142.156.18]:587, delay=0.97, > delays=0.15/0.11/0.36/0.35, > dsn=2.0.0, > > status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: > queued as 08DEC26AEC71) > > Here the relayhost seems to be using a content filter, and on the > line above is reporting what it has heard through the filter. It > also reports the queue ID on the other side of the filter, to wit: > "08DEC26AEC71". > > > Feb 18 17:32:52 pi postfix/qmgr[21159]: 2009B22C52: removed > > > > > > > > On the system that appears to send OK but the message never > > reaches its destination I see:- > > > > Feb 18 18:32:18 odin postfix/pickup[15648]: 05E963BC3: uid=1001 > > from=<chris> > > Feb 18 18:32:18 odin postfix/cleanup[15989]: 05E963BC3: > > message-id=<20170218173218.05e963...@odin.zbmc.eu> > > > Feb 18 18:32:18 odin postfix/qmgr[14084]: 05E963BC3: from=<ch...@zbmc.eu>, > size=296, nrcpt=1 (queue active) > > Feb 18 18:32:19 odin postfix/smtp[15991]: 05E963BC3: to=<ch...@zbmc.eu>, > relay=mail3.gridhost.co.uk[95.142.156.18]:587, delay=1.2, > delays=0.22/0.11/0.65/0.19, > dsn=2.0.0, > > status=sent (250 2.0.0 Ok: queued as EDA7EE0C39) > > Here we didn't get anything from the content filter. The answer of > the question, "Why not?" is probably in the logs on the relayhost. > > > Feb 18 18:32:19 odin postfix/qmgr[14084]: 05E963BC3: removed > > > > > > Does that 'queued as EDA7EE0C39' in the second case mean that the > > message has been put on a queue rather than being sent? But why? > > The messages are virtually identical, the destination address is > > the same, etc. > > If you don't control the relayhost, talk to the admin there.
OK, thanks, that's what I'll do. -- Chris Green
