Thousands of Mail Delivery Failed in the span of a week. — OZONE Asylum, home of the Mad Scientists

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Thousands of Mail Delivery Failed in the span of a week.

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Your Text: Insert Slimies » Insert UBB Code » Close Last Tag \| All Tags UBB Help	One of my client's on my server went over quota and couldn't get into their mail. The admin account had exceeded capacity. When I looked that the messages, they started on the 5th, and ended on the 9th, and there were 45k+ messages that were all scam spam returned because of an invalid email. Let me just say that I already performed due diligence by looking through the forum. I found a thread that said such messages were fake failures and probably contained a virus attachment. However, the messages on the account contained no attachment and were addressed to different recipients in every single "returned message". They also weren't returned to "admin@clientsdomain.com". They were returned to "admin6@nameserverdomain.com" (When I transferred from an Ensim server to cPanel, the usernames for all the accounts defaulted as admin, but cPanel doesn't allow the same username and automatically numbered them instead). Maybe I'm wrong, but I take this as an indication that these messages were actually sent out from my server. I trust the client. They make a lot of money selling various products and parts to schools and other institutions. They do not need anyone's bank account number due to their husband dying. I do not have open-relay on my mail server or open-proxy on my proxy server. I have domainkeys enabled. The outgoing server requires authentication. I can't think of any other reason there would be spam being sent from the server except for the oscommerce contact form. Does anyone know how I can check for vulnerability? [edit]Fixed run on sentence[/edit] [small](Edited by [url=http://www.ozoneasylum.com/user/950]Red Ninja[/url] on 08-16-2010 18:40)[/small] Loading...
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