Re: [Exim] Refuse connection if no MX for sending host

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Author: Tony Finch
Date:  
To: exim
CC: exim-users
Subject: Re: [Exim] Refuse connection if no MX for sending host
Matthew Byng-Maddick <exim@???> wrote:
>
>Tony pointed out earlier that cam.ac.uk has an MX pointing to ppsw,
>which expands to a number of A RRs. They don't have individual MXs, and
>neither does the domain ppsw.cam.ac.uk, why should it?


ppsw.cam.ac.uk does have an MX, since there are a number of valid email
addresses at that domain -- principally system addresses such as root,
postmaster, mailer-daemon, used by messages originating from the machines
such as cron output and bounces.

Tony.
--
f.a.n.finch <dot@???> http://dotat.at/
SHANNON: NORTHEAST BACKING NORTH OR NORTHWEST 3 OR 4, OCCASIONALLY 5. SHOWERS.
GOOD.