From: Phil Barbier (pbarbierhhmedia.com)
Date: Thu Feb 01 2007 - 10:01:27 CST

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Hi there all,

I've got a strange problem that manifested itself (seemingly from
nowhere) after a crash/load spike and subsequent hard reset of my web
server. The server is a FBSD6.1 box, and postfix runs alongside
apache (1.3.xx) in a jail, all was working just fine prior to the
reboot (at least I assume the reboot is partially responsible here).

I am getting two copies of every e-mail that is set to go out. I've
tested this with our web-based eNewsletter software, it sends two. I
checked the software, made sure things looked OK there - the software
is behaving properly.

I then set up a fake cronjob, to test whether the cron report came
twice. It did. (something like 00 0 * * * /path/to/nothing in the
crontab).

I telnetted to the server on port 25, sent a message using raw SMTP,
this did NOT send two e-mails, it worked properly as expected.

I checked the source of the last test I did, both messages have more
or less identical headers, except the message-ID is unique, which
leads me to think they're being spooled twice by accident.

To be sure, I cleared the queue (postsuper -d ALL to get rid of some
older crap from a previous mailer) and restarted the postfix service
between doing different tests, to ensure I hadn't just got some
whacked out postmaster process. This didn't change anything.

I don't know enough about Postfix to troubleshoot this further, and
would obviously like to fix this issue ASAP, does anyone have any
ideas/thoughts/comments/questions on this one?

Thanks in advance,

Phil.

Phillip Barbier
Web Programmer
HOUSE&HOME MEDIA
511 King Street West, Suite 120
Toronto, ON, Canada M5V 2Z4
tel: 416.593.9411 ext 215
www.canadianhouseandhome.com

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