Re: People forging their From: addresses

[Rudi van Houten <]

At 11:59 -0700 29/9/98, Nate Waddoups wrote:
>I cannot help but wonder why spammers choose to use legitimate domain
>names when they forge "From" headers.  What good could it possibly do
>them, as opposed to just using something that doesn't exist?  Puzzling.

Not so puzzling. An often implemented method to block SPAM is refusing mail
sent from a non-existant domain, with a transient error. In fact sending
mail with a non-existing sender domain is a sin against the RFC's. Spamming
is a much bigger sin, but not against technical documents.
--
Rudi van Houten -- Ac.Comp.Centr.Utrecht/Besturings Systemen
Budapestlaan 8  -  3584 CD  -  Utrecht  -  Netherlands
:-) Fantasy is given mankind to make amends for what he is not,
    and a sense of humour as consolation for what he is.