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Date:      Thu, 29 Oct 2009 18:34:35 +0000
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Why is sendmail is part of the system and not a package?
Message-ID:  <20091029183435.5d6c3f0f@gumby.homeunix.com>
In-Reply-To: <877hue9o93.fsf@kobe.laptop>
References:  <4AE5F897.3000103@rawbw.com> <200910271703.12828.gnemmi@gmail.com> <20091027213134.GA85815@gizmo.acns.msu.edu> <200910272046.00289.gnemmi@gmail.com> <20091028021417.GA93608@orange.esperance-linux.co.uk> <57d710000910271930u79b618f6m2bae6cf5c3c8fa83@mail.gmail.com> <4AE94914.2090905@locolomo.org> <877hue9o93.fsf@kobe.laptop>

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On Thu, 29 Oct 2009 18:08:24 +0200
Giorgos Keramidas <keramida@ceid.upatras.gr> wrote:


> What is nice about Sendmail today is that with minimal changes to a
> base FreeBSD installation (the rc.conf(5) variable called
> "sendmail_enable" and a SMART_HOST value in sendmail.mc) one can
> quickly get up and running with a local-only MTA that:
> 

sendmail_enable exposes sendmail to the world. You don't need
to set anything for a local relay. 


> Having a local MTA, even in a SOHO network may be useful.  Instead of
> going through the same hoops to configure 4 different email clients,
> you can set up the local MTA and tell all your local mailer programs
> "send any of your messages to `localhost' and they will be delivered
> as usual".

It's also potentially a  useful interface for spammers and viruses
that bypasses remote authentication, in particular if the MTA is
misconfigured as an open-relay.



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