> Did you ever figure this out? I would like to see how people who are
> using one IP on a mail server setup their DNS so that their is only
> one PTR record in the reverse for the domain..
Very easy; just have one PTR record.
If you have MX records for "domain1.com" and "domain2.com" point to "mail.domain1.com"
and "mail.domain2.com" respectively, you can have the PTR record for the IP address of
the mail server be "mail.domain1.com".
Or, if you have a need to, you could have 2 PTR records (which does NOT break RFCs),
one to "mail.domain1.com" and one to "mail.domain2.com". However, this is pretty
silly, as no software that we are aware of looks past the first domain name.
>Here are stripped examples of 2 domains on the same mail server. This
>creates multiple PTR records per IP.
Only if you are using automated DNS software that is poorly designed. <G>
> Does anyone have a working example of a DNS/MX entry where more than
> one domain is on a mail server with one IP?
It would just be a PTR record for the IP address that resolves to mail.domain.com. It
sounds like your problem is that you are using a DNS server that tries to decide for
you what the DNS should look like, and isn't doing a very good job of it. You need to
find out how to delete all the extra PTR records it has created, and add just the one
that you do need.
>Also, how many records will IMail grab in the reverse zone??
I don't believe IMail does any reverse DNS lookups. If it did, it would almost
certainly just use the first record that is returned.
--
-Scott
Declude: Anti-virus and Anti-spam solutions for IMail. http://www.declude.com
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