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

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Author: Exim Users Mailing List
Date:  
To: Matthew Byng-Maddick
CC: Exim Users Mailing List
Subject: Re: [Exim] Refuse connection if no MX for sending host
[ On Friday, October 24, 2003 at 22:47:03 (+0100), Matthew Byng-Maddick wrote: ]
> Subject: Re: [Exim] Refuse connection if no MX for sending host
>
> So, I'm still going to ask you why you think it's "equivalent" to not
> accepting unqualified postmaster, because you've attempted, badly, to
> fob me off. Explain yourself.


In order to do that, for you, I think I'd have to (re)teach you SMTP and
DNS first, from the ground up.

Please do your own background research and training, and then come back
once you've got to a point where my previous answers actually make sense
to you. At that point if you're still in disupute I can maybe try to
help you out.

In the mean time you should simply remember to publish MX records for
all your e-mail domains, including those also used as hostnames for your
mailers. That way you'll be safe rather than sorry. It's really a very
simple thing to do and many well-run domains have been doing it that way
for decades with great results, while those who have refused to publish
complete and proper DNS are the ones who end up whining and complaining
about problems they would not, and could not, encounter if they had not
attempted to be so frugal with what they publish in their DNS.

--
                        Greg A. Woods


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