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 From:  Alex Neuman van der Hans <alex at nkpanama dot com>
 To:  MonoWall-General List <m0n0wall at lists dot m0n0 dot ch>
 Subject:  OT: Reverse DNS for Mailing List
 Date:  Mon, 08 May 2006 08:19:01 -0500
I got an e-mail today from the mailing list claiming that it couldn't 
deliver mail to my account. It seems that one of the IP addresses 
( used to send e-mail from the list doesn't have a reverse 
DNS entry.

I don't know what the subscriber base to this list does regarding their 
e-mail, but I *do* know that there is an increasing number of sites that 
are stricter on RFC1912 compliance (things like having a PTR record, 
etc.), so maybe the list server's admins should contact their ISP to 
avoid being blocked by sites that require RDNS.