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MS Forefront header code included in Emails

Posted on 2014-03-13
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Last Modified: 2014-06-10
Hi,

I've been experiencing header code being included in emails from time to time when the sender is using Exchange or Office 365 MX records.  Not sure if there is a difference between the two.  I am using a IceWarp mail server and the email lists the characters below as MS Forefront Anti-Spam Report.  I've talked with IceWarp and they are following all of the RFC specifications.  Any insight is appreciated.

Emails start off with code like this:

SFV:NSPM;SFS:(10009001)(428001)(365934002)(189002)(51484002)(199002)(2525140
10)(377454003)(48214007)(76786001)(87266001)(4396001)(85852003)(76176001)(19
300405004)(19613025002)(83322001)(19609705001)(50986001)(47976001)(80976001)
(69226001)(95666003
      
)(19580395003)(17760045001)(19580405001)(81816001)(16236675002)(18206015023)
(87936001)(81542001)(2656002)(33646001)(49866001)(83072002)(85306002)(767960
01)(54316002)(217423001)(94316002)(81342001)(74316001)(74366001)(79102001)(9
2566001)(63696002)
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Question by:W2Market
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5 Comments
 
LVL 83

Expert Comment

by:Dave Baldwin
ID: 39927849
That code should be in the headers.  Is it visible in the body of the message?  And Everyone claims to be following the RFC's.
0
 

Author Comment

by:W2Market
ID: 39930002
It displays in the body of the message as well.  The original is still present, just along with all of the header information too.  Only seems to be happening every now and then.  I'm going to see if disabling Postmarking will have any effect on the problem for the user.
0
 
LVL 83

Assisted Solution

by:Dave Baldwin
Dave Baldwin earned 500 total points
ID: 39930057
Are these messages 'forwards'?  If so, it may be a formatting problem.  Over that last 20 years, a lot of email clients get the formatting wrong in forwarded emails.
0
 

Accepted Solution

by:
W2Market earned 0 total points
ID: 39943115
I spoke with our Firewall/SpamFilter provider and it is possible that it is a bug in the software version.  After it checks for Spam it is not always closing the header properly so the entire message gets corrupt.  I will be upgrading the software soon to see if it will fix it.
0
 

Author Closing Comment

by:W2Market
ID: 40124016
Our firewall was causing this by corrupting the email headers.  Upgrading to the latest firewall version solved it.
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