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Mail Delivery Status Notification (Failure) issue

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Mail Delivery Status Notification (Failure) issue - 5.Jul.2010 10:20:17 AM   
cbell3

 

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All of a sudden, I am receiving Delivery Status Notification (Failure) issue. These are not message sent from anyone at my company. I think somehow I am being spammed. Is there something I failed to do to secure my exchange 2003 server. Any ideas?
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RE: Mail Delivery Status Notification (Failure) issue - 6.Jul.2010 1:33:45 AM   
bpara

 

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what kind of security system d u have in ur environment?

(in reply to cbell3)
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RE: Mail Delivery Status Notification (Failure) issue - 9.Jul.2010 11:28:17 AM   
cbell3

 

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We use a SonicWall Firewall and Symantec Endpoint protection.

(in reply to bpara)
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RE: Mail Delivery Status Notification (Failure) issue - 6.Aug.2010 11:40:20 AM   
brichter

 

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someone is spoofing your domain. you can try using the AntiSpam module from Sonicwall or add another sw like Symantec Mail Security or GFI Mail Security to help protect you from this. 

(in reply to cbell3)
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RE: Mail Delivery Status Notification (Failure) issue - 13.Aug.2010 4:38:53 PM   
mjonesits

 

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Yes sounds like a typical spam ploy.
We use cloud-based spam solutions to great effect. (Try Webroot or Mimecast).
No admin and they also buffer email so nothing is lost if you have a server or internet problem.

Matt Jones
ITS - the IT solution

(in reply to cbell3)
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