On May 25 22:16, Ruud H.G. van Tol wrote:
You should make your MTA more critical. That address in the From_ header
line is coming directly from the Envelope-From. Your MTA should *reject*
communication with any server trying to hand over such messages to your
server.
I should look into doing this with postfix. I am very nervous about
breaking my postfix config; so I'll use procmail to do it until I make
certain I've everything backed up.
Of course you can do this with procmail, but then you are much too late.
MAILDIR = "$HOME/mail" # should exist
:0:
* ^^From( )[^@ ]+(_at_)[^@ .]+( )
in.spam.efrom
This checks for no dots in the host-/domainname part, after the @.
Thank you!
--
Dave Waxman
dave(_at_)waxman(_dot_)org
http://waxman.org/
"Some Scientists claim that hydrogen, because it is so plentiful, is the basic
building block of the universe. I dispute that. I say there is more stupidity
than hydrogen, and that is the basic building block of the universe." - Frank
Zappa
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