Jimmy Spam:
what is the advantage of force ehlo?
Aiko Barz:
Section: 4.1.1.1 (http://www.faqs.org/rfcs/rfc2821.html)
"In any event, a client MUST issue HELO or EHLO before starting a mail
transaction."
You may block broken spammer software at a very early stage.
... but since Sendmail MTA required it from the beginning (when the
only open source choice was SM), actually every spammer software sends
HELO (very broken software too).
So who you will block with this patch?
So long,
Aiko
--
Tullio Andreatta
09:f9:11:02:9d:74:e3:5b:d8:41:56:c5:63:56:88:c0
45:5f:e1:04:22:ca:29:c4:93:3f:95:05:2b:79:2a:b2
"L'intera campagna RIAA, fondata su trentamila cause, procede allo scopo
di condizionare l'opinione pubblica, affidandosi al principio secondo il
quale si può fare una inchiesta illegale condotta da investigatori senza
licenza e poi far seguire il tutto da una lettera di minacce."
-- Lory Lybeck
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