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  #1  
Old March 21st, 2013, 01:05 PM
mkowalski mkowalski is offline
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Posts: 1 mkowalski User rank is Just a Lowly Private (1 - 20 Reputation Level) 
Time spent in forums: 17 m 30 sec
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Outlook returned mail error / spam

We've been getting "returned mail: response error" and "DNS responded with 3 (Domain Not Found)" errors in our Outlook inbox, about 20, up to 500+ per day.

The emails have a details.txt attached, and a copy of the email, generally bank, paypal, ebay spam e-mails.

A sample details.txt looks like this:
Code:
Reporting-MTA: DNS; mail.enchantedboxes.com
Arrival-Date: Wed, 20 Mar 2013 19:25:28 -0500

Original-Recipient: RFC822; <president@bbta-au.org>
Final-Recipient: RFC822; <president@bbta-au.org>
Action: failed
Last-Attempt-Date: Thu, 21 Mar 2013 12:02:16 -0500


Our mail server is mail.enchantedboxes.com. When I look at the headers, I see more disturbing information -- is it ok to post headers on the forums? Unfortunately, I am not knowledgeable enough to decipher all this, but am worried our mail server is being used to send out spam.

I changed all passwords for the mail server, but it does not seem to help.

Any support would be much appreciated!
Thanks,
Mike

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  #2  
Old March 21st, 2013, 03:32 PM
Doug G Doug G is offline
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Posts: 14,237 Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level)Doug G User rank is General 52nd Grade (Above 100000 Reputation Level) 
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check your machine for viruses, maybe some malware is trying to send spam blasts and you're getting the errors. Also check the mail server logs to try to pin down where these messages are coming from.
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It is a truism of American politics that no man who can win an election deserves to. --Trevanian, from the novel Shibumi

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