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reverse mapping

From: Brock Palen (brockpmichiganlivestock.com)
Date: Tue Jul 03 2007 - 20:06:55 CDT


In follow up to a similar question right now i host a few domains.
The machine has a single ip, and thus a single reverse record

123.456.1.12 -> mail.domain1.com

My mx records for domain2.com domain3.com etc point to
mail.domain2.com mail.domain3.com etc. Which are A records to the
same ip as mail.domain1.com.

How much trouble will I have that the MX record for domain2.com point
to a A record and the reverse for that same ip be a different name.
Does this reak of spoofing?

I have had no complaints for lost mail or users mail being rejected
(or just disappearing) Per the comment about 'you have to play with
the big guys' Last thing i want to do is upset my users. Your much
more experienced input is requested.
Thank-you in advance.

Brock Palen
brockpmichiganlivestock.com
Web and Email Hosting for all
www.michiganlivestock.com/mlds
adminmichiganlivestock.com