[Mailman-Users] Duplicate emails sent out

[Chuq Von Rospach]

On 5/8/01 9:49 PM, "David Casamento" <dcas at tpg.com.au> wrote:

> I am having a problem with one of my mailing lists sending out up to 130
> copies of the mail same mail to each recipient. Other mailing lists on the
> same server have no problem at all and I have looked into the problem and
> can not see why it is happening.

First thing to do -- examine the Received lines on these dupes to see where
they're coming from. Is some site out there sending you multiple copies? Are
you for some reason queueing the same message multiple times? Or is the same
queue file being processed multiple times?

You have to find the source of the duplicates before you can fix it. Since
you say only one list is having this problem, I"ll bet you have someone
subscribed with a broken mailer who's bouncing back mail as the original
poster -- there are broken MTAs that consider that a valid bounce message
for some reason.