From: Dave McGuire (mcguireneurotica.com)
Date: Fri Jun 01 2007 - 14:42:18 CDT

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        From: mcguireneurotica.com
        Subject: Re: Reject unknown Sender address
        Date: June 1, 2007 3:41:28 PM EDT
        To: wietseporcupine.org

On Jun 1, 2007, at 3:39 PM, Wietse Venema wrote:

>>> /etc/postfix/main.cf:
>>> smtpd_recipient_restrictions = reject_non_fqdn_sender
>>> reject_non_fqdn_recipient
>>> reject_unlisted_recipient
>>> reject_unlisted_sender
>>> permit_sasl_authenticated
>>> permit_mynetworks
>>> reject_unauth_destination
>>> [...]
>>>
>>
>> Wow, I was just thinking of a solution to this problem today,
>> thanks! :-) I have one question about this, though.
>>
>> My installation has many wildcard entries of the form
>> 'domain.com', with no username component, in relay_recipient_maps.
>> Will those entries work as expected (i.e., as wildcards) when used by
>> smtpd_reject_unlisted_sender? I would guess yes, but since it's not
>> explicitly stated in the documentation, I'm nervous about enabling it
>> on the production system without checking first.
>>
>
> You know, I am a lazy person, and when I implemented this, I used
> the exact same address validation routines for reject_unlisted_sender
> and for reject_unlisted_recipient. The only difference is in whether
> I give them the sender or the recipient.
>

   Sounds like good design to me. ;)

           -Dave

--
Dave McGuire
Port Charlotte, FL

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