Re: Mail Deliver Subsystem responses.

From: Retep (Retep_at_discussions.microsoft.com)
Date: 10/12/05 

Date: Wed, 12 Oct 2005 05:37:04 -0700

Thanks much N. Miller

"N. Miller" wrote:

> On Tue, 11 Oct 2005 17:57:16 -0700, Malke wrote:
>
> > Retep wrote:
>
> >> Recently, I have been receiving subject failure responses for e-mail I
> >> never
> >> generated. Most of them are to AOL clients. This concerns me??
>
> > This is pretty common. Someone you know has a computer infected with one
> > of the many viruses that send copies of themselves out to everyone in
> > that computer's addressbook. Often those viruses will spoof the From
> > line.
>
> I have yet to trace such email to "someone I know". The best I can
> determine is that the sender is a "friend of a friend".
>
> To apply your example to a common situation:
>
> Your friend Bill forwards a humorous email to six of his friends, including
> you; he use the common "Cc:" email list, so now your email address is on
> his friend's computer in the message store of the email client. Bill's
> friend is a touch careless, and got his computer infected with a mass
> mailer worm. This worm constructs an email with it payload, and pulls your
> email address from the message store to use as the sender. Bill isn't
> infected, his friend is. But the poor recipient's email provider only knows
> the putative "sender" email address, yours, and sends you the Delivery
> Failure Notice.
>
> --
> Norman
> ~Win dain a lotica, En vai tu ri, Si lo ta
> ~Fin dein a loluca, En dragu a sei lain
> ~Vi fa-ru les shutai am, En riga-lint
>

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