David/All,
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..
Here are stripped examples of 2 domains on the same mail server. This
creates multiple PTR records per IP.
@ MX 0 mail.microsoft.com.
mail A 111.111.111.111
@ MX 0 mail.yahoo.com.
mail A 111.111.111.111
If you did a reverse lookup for the IP of 111.111.111.111 you would get both
mail.microsoft.com and mail.yahoo.com.
Does anyone have a working example of a DNS/MX entry where more than one
domain is on a mail server with one IP?
Also, how many records will IMail grab in the reverse zone??
TIA,
Dan
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of David Kazan
Sent: Wednesday, February 14, 2001 9:03 PM
To: [EMAIL PROTECTED]
Subject: [IMail Forum] Reverse DNS for virtual hosts on a single IP
What are the options for setting up reverse DNS (PTR records) for
virtual domains, all on a single IP? As I understand it, we can
only have one PTR record per IP. In that case, how will the other
domains be verified by anti-spam filtering which makes use of PTR
records?
David K.
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