a user reported mail client message:
"It hard to sent mail we try 2-3 times then sent."
screengrab from mail client had: sending failed, couldn't send, connection
to outgoing server timed out
I couldn't noticed anything, tail maillog, saw emails going, probably
looking at wrong things ?
subsequently was told reply email to me took two attempts, the received
copy log is like;
what/where to look/check ?
- also, in case this matters:
sender has BOTH TLD.com.au as well as same TLD.com (without .au)
the mail server was always TLD.com.au, TLD.com was added as domain alias
several years ago, around 2015, 'alias domain' in PFA
# grep "C92564346E5" /var/log/maillog
Sep 8 16:41:25 geko postfix/smtpd[15518]: C92564346E5:
client=unknown[111.222.333.444], sasl_method=PLAIN,
sasl_username=i...@tld.com.au
Sep 8 16:41:31 geko postfix/cleanup[15407]: C92564346E5:
message-id=<b56e4fde-f4c5-f0cb-076b-fdf4878c9...@tld.com>
Sep 8 16:41:31 geko opendkim[910]: C92564346E5: DKIM-Signature field
added (s=default, d=tld.com)
Sep 8 16:41:31 geko postfix/qmgr[1654]: C92564346E5: from=<i...@tld.com>,
size=3262, nrcpt=1 (queue active)
Sep 8 16:41:42 geko amavis[31308]: (31308-14) Passed CLEAN
{RelayedInternal}, ORIGINATING LOCAL [111.222.333.444]:52547
[111.222.333.444] <i...@tld.com> -> <m...@xyz.com>, Queue-ID: C92564346E5,
Message-ID: <b56e4fde-f4c5-f0cb-076b-fdf4878c9...@tld.com>, mail_id:
zj3cR-iB-usR, Hits: -3.069, size: 3681, queued_as: F22794346E8, 10889 ms
Sep 8 16:41:42 geko postfix/smtp[15464]: C92564346E5: to=<m...@xyz.com>,
relay=127.0.0.1[127.0.0.1]:10026, delay=16, delays=5.4/0/0.01/11,
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 F22794346E8)
Sep 8 16:41:42 geko postfix/qmgr[1654]: C92564346E5: removed
# grep "F22794346E8" /var/log/maillog
Sep 8 16:41:41 geko postfix/smtpd[13013]: F22794346E8:
client=localhost[127.0.0.1]
Sep 8 16:41:41 geko postfix/cleanup[15407]: F22794346E8:
message-id=<b56e4fde-f4c5-f0cb-076b-fdf4878c9...@tld.com>
Sep 8 16:41:42 geko postfix/qmgr[1654]: F22794346E8: from=<i...@tld.com>,
size=4144, nrcpt=1 (queue active)
Sep 8 16:41:42 geko amavis[31308]: (31308-14) Passed CLEAN
{RelayedInternal}, ORIGINATING LOCAL [111.222.333.444]:52547
[111.222.333.444] <i...@tld.com> -> <m...@xyz.com>, Queue-ID: C92564346E5,
Message-ID: <b56e4fde-f4c5-f0cb-076b-fdf4878c9...@tld.com>, mail_id:
zj3cR-iB-usR, Hits: -3.069, size: 3681, queued_as: F22794346E8, 10889 ms
Sep 8 16:41:42 geko postfix/smtp[15464]: C92564346E5: to=<m...@xyz.com>,
relay=127.0.0.1[127.0.0.1]:10026, delay=16, delays=5.4/0/0.01/11,
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 F22794346E8)
Sep 8 16:41:42 geko postfix/pipe[15414]: F22794346E8: to=<m...@xyz.com>,
relay=dovecot, delay=0.09, delays=0.02/0/0/0.07, dsn=2.0.0, status=sent
(delivered via dovecot service)
Sep 8 16:41:42 geko postfix/qmgr[1654]: F22794346E8: removed
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