[Mailman-Users] non-subscriber managed to post to a subscriberonly list
brad at shub-internet.org
Tue Jan 27 04:13:26 CET 2009
on 1/26/09 4:49 PM, Grant Taylor said:
> I would be willing to bet that the spoofed member is really the source
> of the message. I would not be at all surprised if that members
> computer has malware on it that sent the email (after harvesting it from
> the address book) via the default email client and thus the list members
That may be typical in some cases, but I assure you that it is not the
case for when someone else tried to spoof my e-mail address in posting
their spam to this mailing list.
> I think it would be worth asking the member to send an email to you (or
> reply to a request) and compare the headers. If the headers are almost
> identical, I'd ask them to run a virus and malware scanner on their
> computer. I'd ask even stronger if all the spam messages that came in
> came from that same system.
Even if they were infected with malware, those programs could easily use
a different outbound route than the normal mail sent by that person.
So, such a test might turn up something interesting, but then again it
doesn't prove anything if it doesn't.
Don't depend too much on such tests.
<brad at shub-internet.org> If you like Jazz/R&B guitar, check out
LinkedIn Profile: my friend bigsbytracks on YouTube at
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