On 9/3/2010 2:29 PM, Louis-Olivier Roof wrote:
Hello postfix-users,
We've recently been blocked by spam blacklists due to a
spambot running loose on our network. We found the virus,
cleaned the machine and closed all outbound connections to
port 25 for the whole network but for the mail server. Lesson
learned.
Now, a user complains that some of her mail is not delivered,
but without any NDR. I check the server's mail.log and for
that customer I see:
... (250 +OK message queued for delivery).
Now that is the first time I see that line as I'm *not*
usually a sysadmin. The email is not delivered, so where is it
stuck? Our side, their side? What does this mean? Can I do
something?
Thanks for your help,
The rest of the log line shows the IP of the machine that
claimed to queue the message.
Assuming that IP isn't your machine, then the message is
likely either in the recipient's spam folder or was discarded
by the recipient's spam blocking system.
You might want to check some of the popular black lists to see
if your server IP or domain name is listed. If listed, you'll
need to contact each list individually to be removed (some
lists expire listings after a period of time; those will take
care of themselves).
It's also possible your IP is on the receiving site local
blacklist. If that's the case, you'll need to contact their
postmaster.
Good luck, spam cleanup isn't fun.
-- Noel Jones
