From owner-freebsd-questions  Mon Feb 19 15:26:53 2001
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Date: Mon, 19 Feb 2001 15:26:48 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: Chimon Yeung <cyeung@sourcee.com>
Cc: UNIX <questions@freebsd.org>
Subject: Re: Mutt problem
Message-ID: <20010219152648.B54359@mollari.cthul.hu>
References: <3A91A9B3.E5D5BD05@fremont.sourcee.com>
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In-Reply-To: <3A91A9B3.E5D5BD05@fremont.sourcee.com>; from cyeung@sourcee.com on Mon, Feb 19, 2001 at 03:18:11PM -0800
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On Mon, Feb 19, 2001 at 03:18:11PM -0800, Chimon Yeung wrote:
> Hello,
>=20
> When I tried to send an email, I got the "Mail Delivery Returned".  It
> said "Sender domain must exist".  So how do I set up the domain in order
> to send email?

This is not actually a problem with mutt - your machine needs to
identify itself as a machine with a valid DNS name (which resolves
back to your current IP address) in order for many systems out there
to accept email from it (forged hostnames are mostly used by
spammers).

If you are sending mail from an ISP, configure your mail transfer
agent (e.g. sendmail) to relay mail through your ISP's mail gateway,
which will take care of the problem.  To find out how to do this,
consult the sendmail documentation (e.g. www.sendmail.org).

Kris

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