Brad,
It's not Mailman trying to resend the message. It's your MTA,
to which Mailman handed over the message.
Aha.
However, the MTA-specific aspects of this process are
something you should pursue on a mailing list or newsgroup that is
appropriate to your MTA (e.g., pos
Mark / Brad,
Many thanks for your mails.
I have tracked down (most of) what's going on.
vette:48:Mar 12 01:20:18 2005 (2549) alu-board-only post from
[EMAIL PROTECTED] held,
message-id=<[EMAIL PROTECTED]> : Post by
non-member to a members-only list
Because the sender was spoofed
Hi.
I've noticed a number of attack-like "mail failures". The rate at
which we see them comes and goes at different times of the day; when
they're active they pass through at the rate of 1 or 2 per minute.
Here's an example, for the list [EMAIL PROTECTED] (we've seen
this for other alu.org lists