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SMTP reverse DNS missmatch

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SMTP reverse DNS missmatch - 30.Jul.2014 1:24:51 AM   
sachinnetviews

 

Posts: 3
Joined: 7.Dec.2013
Status: offline
Hi there
I am having difficulty as our mails are not going on time to some of domains. With mxtoolbox it showing following error for SMTP diagnostics test.
SMTP Reverse DNS Mismatch Warning - Reverse DNS does not match SMTP Banner
SMTP TLS Warning - Does not support TLS.
SMTP Server Disconnected May be an open relay.
SMTP Banner Check OK Company Public IP address resolves to static-mum- Company Public IP address.mtnl.net.in
I configured FQDN as servername.domainname.com on default SMTP virtual server. Kindly guide me as I am new to exchange server.
Post #: 1
RE: SMTP reverse DNS missmatch - 16.Aug.2014 1:28:46 AM   
abbasiftt2

 

Posts: 3
Joined: 3.Dec.2008
Status: offline
If you want to fix that you, should enter external FQDN (e.g.mail.domain.com) in your Default-Receive connector properties.

Please check this as well
http://alanhardisty.wordpress.com/2010/07/12/how-to-close-an-open-relay-in-exchange-2007-2010/

< Message edited by abbasiftt2 -- 16.Aug.2014 1:34:04 AM >

(in reply to sachinnetviews)
Post #: 2

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