From: mouss (mlist.onlyfree.fr)
Date: Fri Jan 11 2008 - 14:02:58 CST

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Jason Ledford wrote:
> I really don't know why my admins have multiple ptr's. I would imagine that one would do just fine, mail.mydomain.com.
>

multiple names don't bring anything useful. It is possible that they
cause problems on the other side, but this is just speculation.

> we have several different services that run on the same ip and are routed based on port numbers, for instance, our incoming port 25 is different then our outgoing, same IP though. we have both functions split on 2 different machines.
>
> if the ptr was just mail.mydomain.com would that probably be an appropriate fix? I only sanitzied domain names so they don't make it to the search. if you want I can email directly the domains involved if someone can help me make sense of this.

As I said before, we need the real names and IPs. If you are concerned
about sending them to a public list, send them to me offlist (further
discussion will still go on the list though, but your infos won't be
exposed except by yourself).

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