Need DNS records help for single server (and IP), and multi-domain mail server.
Grant Taylor
bind-users at gtaylor.tnetconsulting.net
Thu Aug 24 01:37:02 UTC 2017
On 08/23/2017 07:31 PM, bind-users at gtaylor.tnetconsulting.net wrote:
> I think that it may be possible for someone to publish a PTR record in
> their IP space that reverse resolves to a name of one of your MX
> servers. There by allowing their bogus server to send email as you.
It is conceptually possible for SPF filters to do a Forward Confirmation
of a Reverse DNS lookup (a.k.a. FCrDNS), but I wouldn't hold my breath
for such.
--
Grant. . . .
unix || die
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