[116170] in North American Network Operators' Group
Re: questionable email filtering policies?
daemon@ATHENA.MIT.EDU (Chris Hills)
Fri Jul 24 09:29:07 2009
To: nanog@nanog.org
From: Chris Hills <chaz@chaz6.com>
Date: Fri, 24 Jul 2009 15:28:31 +0200
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In-Reply-To: <Pine.LNX.4.64.0907231320070.30297@sasami.anime.net>
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On 23/07/09 22:22, goemon@anime.net wrote:
> Seems rather unwise to filter your abuse mailbox.
>
> ----- The following addresses had permanent fatal errors -----
> <abuse@btopenworld.com>
> (reason: 554 Message not allowed - UP Email not accepted for policy
> reasons. Please visit
> http://help.yahoo.com/help/us/mail/defer/defer-04.html [120])
>
> -Dan
On the topic of mail rejection I have come across a few sites that
reject mail, even to postmaster@, from domains that have one or more
ipv6-only MX records listed (i.e. a domain name with AAAA but no A
record(s)). The common factor seems to be mimedefang.
