From: Andrew Noonan (anoonanindeed.com)
Date: Wed Aug 01 2007 - 13:31:44 CDT

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Hi all, I seem to have a duplicate SMTP ID on two messages sent from the same machine. I didn't think that was likely (or really possible), but this happened the first day we put postfix into Production rotation. Is there something I'm missing? We depend on ID uniqueness to match status of messages we send since the to, from, and message-ID are in different log lines. Here are the log lines: Aug 1 04:38:38 web6 postfix/smtpd[10839]: E00D03D417C: client=web10.example.com[10.1.1.20] Aug 1 04:38:38 web6 postfix/cleanup[17562]: E00D03D417C: message-id=<6738886.1185961118923.SendAlerts.tomcatweb10> Aug 1 04:38:38 web6 postfix/qmgr[11784]: E00D03D417C: from=<alertexample.com>, size=6025, nrcpt=1 (queue active) Aug 1 04:38:39 web6 postfix/smtp[17069]: E00D03D417C: to=<BBBBBBBgmail.com>, relay=gmail-smtp-in.l.google.com[209.85.163.27], delay=1, status=sent (250 2.0.0 OK 1185961119 i27si733438elf) Aug 1 04:38:39 web6 postfix/qmgr[11784]: E00D03D417C: removed Aug 1 05:11:46 web6 postfix/smtpd[10839]: E00D03D417C: client=web10.example.com[10.1.1.20] Aug 1 05:11:46 web6 postfix/cleanup[18545]: E00D03D417C: message-id=<7035988.1185963106924.SendAlerts.tomcatweb10> Aug 1 05:11:46 web6 postfix/qmgr[11784]: E00D03D417C: from=<alertexample.com>, size=3977, nrcpt=1 (queue active) Aug 1 05:11:47 web6 postfix/smtp[18354]: E00D03D417C: to=<BBBBBBBhotmail.com>, relay=mx3.hotmail.com[65.54.244.200], delay=1, status=sent (250 <7035988.1185963106924.SendAlerts.tomcatweb10> Queued mail for delivery) Aug 1 05:11:47 web6 postfix/qmgr[11784]: E00D03D417C: removed Is this as strange as I think it is, and is there any way to make sure this stays unique? Thanks, Andrew

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