Re: [exim] Fixing RDNS Instructions

Marc Perkel wrote:
> Trying to get people to fix bad RDNS so I created a wiki page about it.
> Feel free to link to it or steal it. I'm sending messages back to the
> sending host with this link in it in the hopes that people might read
> their log files and find it.
>
> http://wiki.junkemailfilter.com/index.php/Fixing_Reverse_DNS
>

Very nice.

You should maybe add some info about how the HELO of a mailserver should be
resolved.
So the best way would be HELO == A == PTR