On Sat, 11 Jul 2009, priscilla wrote:

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>  priscilla wrote:
> 
>  Is it possible to allow a group of unauthenticated senders while other
>  senders are authenticated.
> 
>  Yes, maybe.
> 
>  How do you intend to identify these senders?
> 
>  Also clarify what you mean by "allow".  Can you give two simple examples of
>  both use cases?
> 
>    In domain x.com i want to authenticate all users who needs to send mail.
>    For some users alone (i will specify them in a seperate text file) i dont
>    want to authenticate the sender.
>    For example [...@x.com should provide password for sending mail.
>    Whereas [...@x.com need not provide password for sending mail.

Your request is still unclear to me.  If someone is sending as a...@x.com, do
you want to make sure the client is SASL logged in as the owner (as per
$smtpd_sender_login_maps) of that MAIL FROM address, or is it sufficient for
the client to be SASL authenticated as *anyone*?  See:

http://www.postfix.org/postconf.5.html#reject_sender_login_mismatch
http://www.postfix.org/postconf.5.html#reject_authenticated_sender_login_mismatch
http://www.postfix.org/postconf.5.html#reject_unauthenticated_sender_login_mismatch
http://www.postfix.org/postconf.5.html#smtpd_sender_login_maps

If you need something that is not provided by these features, then be more
specific with your request.

-- 
Sahil Tandon <sa...@tandon.net>

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