From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <ee9e417a0601030639q6bcffd26x2143571a33dc8969@mail.gmail.com>
Date: Tue,  3 Jan 2006 09:39:34 -0500
From: Russ Cox <rsc@swtch.com>
To: erik quanstrom <quanstro@speakeasy.net>,
	Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] smtp dns failure: mx lookup
In-Reply-To: <20060103121838.1ED253256D@dexter-peak.quanstro.net>
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References: <bde13d79d0a3adcb1545e5484908131f@comcast.net>
	<20060103121838.1ED253256D@dexter-peak.quanstro.net>
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> the solution is probablly to add smtp.comcast.net in your ndb
> database. maybe upas should lookup the a/aaaa record if there's
> no mx record as a fallback. i'd be careful about doing that, though.

upas *does* look up the a record if the mx lookup says the name does not ex=
ist.
it does not look up the a record if the mx lookup fails.

russ