[Mimedefang] DNS and MX records
Kevin A. McGrail
kmcgrail at pccc.com
Wed May 10 14:48:42 EDT 2006
No MX records BUT having an A record gives you an implicit MX record that is
essentially just the A record.
Having MX records should remove the A record completely from being
considered for mail delivery.
Further, I believe there really is a "standard' to publish a blank MX record
at priority 0 but I think I heard about it from Jan-Pieter Cornet. Anyone
know if this has a real RFC or anything?
Regards,
KAM
> 1) Publishing an MX record pointing to the loopback address
>
> 2) Just removing all DNS records for the domain, or
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