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Date:      Wed, 18 Jan 2006 14:28:07 +0000
From:      Crispy Beef <crispy.beef@ntlworld.com>
To:        Kilian Hagemann <hagemann1@egs.uct.ac.za>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: I have been hacked (WAS: Have I been hacked or is nmap wrong?)
Message-ID:  <43CE5077.3060203@ntlworld.com>
In-Reply-To: <200601181556.33030.hagemann1@egs.uct.ac.za>
References:  <200601171907.17831.hagemann1@egs.uct.ac.za>	<200601181129.38634.hagemann1@egs.uct.ac.za>	<20060118123451.GA69630@abbott.allenmyland.com> <200601181556.33030.hagemann1@egs.uct.ac.za>

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> Also, I said smtp ports were open on the machines in question, I just verified 
> that I can send emails via BOTH these systems even though no 
> sendmail/exim/whatever was ever installed by me and sendmail_enable="None" on 
> both.

For what it's worth, to disable senmail on 5.0 and later, you need:

sendmail_enable="NO"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"

All those lines need to go in your /etc/rc.conf file, just the top line on 
it's own will only stop mail coming into your system and I think it has to be 
"NO" not "None", but I'm not 100% on that.

The above is from the Handbook:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/mail-changingmta.html

--
Paul



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