We host a web site for a client who hosts and runs their own mail server. Their mail to me fails as following:
X-RBL-Warning: REVDNS: This E-mail was sent from a MUA/MTA 209.83.72.234 with no reverse DNS entry. X-Declude-Sender: [EMAIL PROTECTED] [209.83.72.234] X-Note: This E-mail was scanned by Declude JunkMail (www.declude.com) for spam. X-Spam-Tests-Failed: HELOBOGUS, IPNOTINMX, REVDNS, WEIGHT10 [10]
They would like to set their server up properly. Who can I steer them to?
There are two problems here. The first is that the IP address of their mailserver (at 209.83.72.234) is missing a reverse DNS entry (see http://www.dnsstuff.com/tools/ptr.ch?ip=209.83.72.234 -- the norlight.net nameservers need to have the reverse DNS entry listed).
The second problem is that their mailserver is identifying itself improperly. Without the Received: header that IMail added (or the "HELO" or "EHLO" log file entry), I can't say what name their mailserver is claiming to be. However, whatever name it is does not exist in DNS (there needs to be either an MX or A record for it).
-Scott
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