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Email Bouncebacks

I have a client with a SBS 2003. All the clients are XP service pack 2. My direct contact with the organization is gettting a bounceback when sending to me Godaddy is my mail host.. I just installed symantec mail security & endpoint on the SBS server this issue seemed to have popped up after this instalation. There MX record looks fine and I did a report and did not find any major issues.

There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
<***.org #5.5.0 smtp;553 sorry, relaying denied from your location [IP Addy] (#5.7.1)>

Thanks in advance
1 Solution
Here is a ‘wizard’ that MS has made available to let you know if you are going to have trouble from mail utilities that have employed the latest ‘Sender ID’ counter-measures.  It also gives a high-level description of how Sender ID is supposed to work.


Scenario:  External DNS, internal SMTP server for out-bound messaging.

I had to add a new SPF record to our DNS entries that looks something like this:  [ v=spf1 a mx ptr ptr:XXX.XXX.XXX.XXX ptr:YYY.YYY.YYY.YYY include:smtp.secureserver.net ~all  ] … where smtp.secureserver.net is GoDaddy and XXX & YYY are our primary and secondary gateways.  
kroberts00Author Commented:
Thanks the link led me to where the problem was...
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