>Everything works fine, but I recently ran into a problem where a client
>could not receive email from us because we didn't have a reverse PTR record
>in DNS (their email server is set up to do reverse lookups.) The problem
>is, how can I configure my reverse lookup zone to handle multiple domains
>(FQDN's) on the same IP.
It's best to have just one reverse DNS entry.
>Since reverse lookups match an IP to a domain, it
>doesn't seem that this is possible, BUT someone has got to be doing it
>somewhere.
The key here is that most mailservers just check for the existence of the
reverse DNS entry, since often it won't match the HELO text or anything
else. So you can have 63.170.97.122 resolve to "mail.capitolwire.com". If
you also have "virtual_domain.com" with an MX record pointing to that IP,
that's fine.
>I have my own personal site with mail from a cheap provider and
>they were using IMail in the same manner (multiple virtuals on a single IP)
>and I never had any prpblems with reverse lookup.
Just add a reverse DNS entry and see what happens. :)
-Scott
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