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Exchange blocking mail

Posted on 2011-04-26
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Medium Priority
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1,813 Views
Last Modified: 2012-05-11
The sender is usrisk.com, an insurance company.  the recipient is MY exchange server that I manage.  The sender sends the email to my user, and the sender gets the message below.

any ideas?

the recipient is valid.  the sender is in my whitelist by IP and domain.

thanks

cliff


-----Original Message-----
From: Mail Delivery System [mailto:mailer-daemon@electric.net]
Sent: Tuesday, April 26, 2011 9:06 AM
To: Elizabeth Wafer
Subject: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

 bam@domain.com
   SMTP error from remote mail server after end of data:
   host domain.com [65.70.xxx.xx]: 554 5.1.0 Sender denied
0
Comment
Question by:crp0499
  • 2
  • 2
5 Comments
 
LVL 34

Expert Comment

by:Shreedhar Ette
ID: 35467591
Does Exchange server have any antispam software?

What is the version of the Exchange?
0
 
LVL 3

Expert Comment

by:rajkumartech
ID: 35467652
Check the whether sender uses any encryption method such as TLS protocol at their end
0
 

Author Comment

by:crp0499
ID: 35467675
exchange 2010 running the b uilt-in antispam software.  this sender can send to other users in the same domain. i'm going to check the recipients junk mail list
0
 
LVL 34

Accepted Solution

by:
Shreedhar Ette earned 2000 total points
ID: 35467700
0
 

Author Closing Comment

by:crp0499
ID: 35470441
it wasnt in senderfilteringm, but that got me to thinking.  the recipient had it blocked in her own block list
0

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