In order to allow you to figure what was happening and stop the pain, let's give you an immediate solution:
Have anything that's sent/from addresses with the subject designated on the FULL MAIL HEADER automagically /dev/null 'd You can do this through your .qmail file (once you isolate them):
|forward &>/dev/null
http://qmail.org/man/man5/dot-qmail.html
Nosis| Obnosis | (503)754-4452
PLUG Linux Security Labs 2nd Saturday Each Month@Noon - 3PM
> Subject: Fail Message is Fail Messages for Fail Messages that I Never Failed to Send???
> From: tuna@supertunaman.com
> To: plug-discuss@lists.plug.phoenix.az.us
> Date: Tue, 10 Mar 2009 15:35:45 -0700
>
> This really clubs me in the kneecaps with a concealed-sword cane.
>
> Over the past two days, I have been getting these messages that would
> suggest that I'm sending viagra spam to people and failing at it. I am
> getting dozens of those qmail-send failmails. Some of them are in
> Spanish or German. I have been just marking them as spam so I wouldn't
> see them but THEY'RE JUST TOO MANY, CAPTAIN!!!
>
> I've actually been thinking of writing a little script server-side to
> just archive them and give them to me in a weekly digest, and during bad
> spells like this I could just have it not send them at all.
>
> If plug-discuss doesn't have a better solution, that is.
>
> kthx
> --
> Andrew "Tuna" Harris
> Hacker, Caffeine-Addict
> http://supertunaman.com
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