Hi all. Today, while sending an email, I monitored postfix's log. The message was going thru postfix and then relayed to the recipient's MX:
Jun 8 13:03:21 dsrv postfix/smtpd[13477]: AADDD17B812: client=whatever[xx.xx.xx.xx], sasl_method=LOGIN, sasl_username=u...@mydomain.com Jun 8 13:03:22 dsrv postfix/qmgr[3139]: AADDD17B812: from=<u...@mydomain.com>, size=1395, nrcpt=1 (queue active) Jun 8 13:03:24 dsrv postfix/qmgr[3139]: 4CF1A17D17C: from=<u...@mydomain.com>, size=1838, nrcpt=2 (queue active) Jun 8 13:03:24 dsrv amavis[26650]: (26650-04) Passed CLEAN, [xx.xx.xx.xx] [xx.xx.xx.xx] <u...@mydomain.com> -> <x...@unimore.it>, Message-ID: <005f01c9e828$5f41bf50$1dc53d...@com>, mail_id: OXs5BXQ6GyU0, Hits: -4.012, size: 1395, queued_as: 4CF1A17D17C, 1939 ms Jun 8 13:03:30 dsrv postfix/smtp[27317]: 4CF1A17D17C: to=<user-out-bac...@mydomain2.org>, relay=172.16.0.10[172.16.0.10]:25, delay=6.5, delays=0.05/0.06/5.7/0.72, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 0F353B81E) Until here, everything was kosher. Amavis processed the message and postfix correctly applied the "sender_bcc_maps" setting. What I don't really get, is what happened next: Jun 8 13:04:14 dsrv postfix/smtpd[13477]: connect from polluce.unimo.it[155.185.1.151] Jun 8 13:04:17 dsrv postfix/smtpd[13477]: EFF8117B812: client=polluce.unimo.it[155.185.1.151] Jun 8 13:04:17 dsrv postfix/smtpd[13477]: disconnect from polluce.unimo.it[155.185.1.151] Jun 8 13:04:23 dsrv postfix/smtp[27318]: 4CF1A17D17C: to=<x...@unimore.it>, relay=polluce.unimo.it[155.185.1.151]:25, delay=59, delays=0.05/0.07/49/9.4, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 7EDDA26494) Jun 8 13:04:23 dsrv postfix/qmgr[3139]: 4CF1A17D17C: removed I understand the message was succesfully delivered to the recipient's server, but where the heck did EFF8117B812 come from? And where did it go, since there are no further traces in the logs of that queue id? -JK