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dnsreport warning - Mail server host name in greeting

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Old 09-12-2006, 01:07 AM
biTe biTe is offline
Junior Guru Wannabe
 
Join Date: Jul 2002
Location: Malaysia
Posts: 99
Question

dnsreport warning - Mail server host name in greeting


Hi,

I checked with dnsreport.com and I get this warning....

============start dnsreport warning==================
WARN

Mail server host name in greeting

WARNING: One or more of your mailservers is claiming to be a host other than what it really is (the SMTP greeting should be a 3-digit code, followed by a space or a dash, then the host name). If your mailserver sends out E-mail using this domain in its EHLO or HELO, your E-mail might get blocked by anti-spam software. This is also a technical violation of RFC821 4.3 (and RFC2821 4.3.1). Note that the hostname given in the SMTP greeting should have an A record pointing back to the same server. Note that this one test may use a cached DNS record.

mydomain.com claims to be host ser1.myserver.com [but A lookup times out]: 220-ser1.myserver.com ESMTP Exim 4.52 #1 Mon, 11 Sep 2006 21:51:26 -0500 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
============start dnsreport warning==================


QUESTION
---------

1. What does this mean.? I certainly do not want my emails to be blocked by anyone.

2. I want to prepare myself before I pose this issue to my reseller hosting support person. Is this a simple fix. What needs to be asked/done.?


I would like a clean report like this....

============start dnsreport==================
PASS

Mail server host name in greeting

OK: All of your mailservers have their host name in the greeting:

mydomain.com:
220-ser1.myserver.com ESMTP Exim 4.52 #1 Tue, 12 Sep 2006 11:06:51 +0800 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
============end dnsreport==================


Sorry if this has been asked before.. did a quick search and found nothing close.

TIA

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