Sam Varshavchik <[EMAIL PROTECTED]> wrote:Julian Mehnle writes: > I don't see what SPF does NOT do (to prevent sender domain > forgery) that IS being done by YASAF.
It prevents mail from being forwarded. A forwarded message will keep its return address, but will now originate from some other host, from the point view of the ultimate recipient.
Alright, I do see that. What's wrong with sender rewriting? I mean, except for that it has to be implemented?
What exactly are you going to rewrite the sender to? The address from which the message gets forwarded?
Gee, guess where the bounce would go?
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