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Re: "reject_unverified_recipient" and "unverified_recipient_reject_code" question

From: Jan P. Kessler (postfixjpkessler.info)
Date: Thu Feb 07 2008 - 10:29:04 CST


Alejandro Facultad schrieb:
> Noel, I want people from Internet that send messages to non existant
> users from my domain they don't get an error code (550) but they must
> get an 250 success code. They don't have to know which mail accounts
> are valid or invalid, they must see ALL accounts as valid, because
>

I really don't see why - nobody tries dictionary attacks on usernames.

Maybe you could use the DISCARD action or a catchall account on
non-existent users, but that has other caveeats.