On Mon, 27 Jun 2005 21:10:38 EDT, Hector Santos said:
MAIL FROM:<postmaster(_at_)domain> means "send bounces to
postmaster(_at_)domain", NOT "no bounce needed".
In regards to a CBV, a postmaster(_at_)domain is skipped.
a) This is codified in a standard, where, exactly?
b) This provides spammers a easy way out by sending with MAIL
c) Wander over to www.rfc-ignorant.org and see all the sites that *don't*
properly support 'postmaster', so the assumption that "We won't check it because
we "know" it's operational" is severely b0rked.
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