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Date:      Sat, 23 Oct 2010 17:08:49 -0700
From:      Chuck Swiger <cswiger@mac.com>
To:        Marwan Sultan <dead_line@hotmail.com>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: My mail server flagged spam!
Message-ID:  <891526E2-A52F-4FF5-B1A6-FFF91883E952@mac.com>
In-Reply-To: <SNT103-W52F6B6EA05DD5995B51C419A5F0@phx.gbl>
References:  <SNT103-W395850DA5D1C7E9488FB919A5D0@phx.gbl> <4CBFD2AE.7080402@infracaninophile.co.uk> <SNT103-W52F6B6EA05DD5995B51C419A5F0@phx.gbl>

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On Oct 23, 2010, at 3:46 PM, Marwan Sultan wrote:
>  they configure their outlook express to use SMTP user/password
>  with mail.clinet_domain.com as incoming/outgoing.
> 
>  even if they send from xyz@client_domain to admin@MyDomain.com
>  both are in same server, I will still receive it as SPAM.
>  (They are sending from outlook.)

When someone is an authorized user of email, ie, they login to your SMTP server via a good username+password, then you should configure your spam filtering to treat them as trusted.  For example, in postfix you could have:

smtpd_recipient_restrictions = permit_mynetworks,
        permit_sasl_authenticated,
[ ...before checks like... ]
        check_policy_service inet:127.0.0.1:12525,
        check_policy_service inet:127.0.0.1:10023,

Regards,
-- 
-Chuck




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