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1.  

   Blocking port 25 doesn't stop use of third-party m

   

   Anonymous Coward, Nov 14th, 2005 @ 11:45pm

   
   

   Anyone using such a service should be using port 587
   (and SMTP AUTH to authenticate themselves.

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2.  

   huh?

   

   AC, Nov 15th, 2005 @ 2:13am

   
   

   What you are writing does not make any sense. For VPN-tunnelling you need a peer system. And when you have such a peer, why don't you send your spam from that peer, instead of just routing over the peer?

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3.  

   No Subject Given

   

   Nathan, Nov 15th, 2005 @ 6:49am

   
   

   Somehow I think people and businesses wouldn't stand for not being able to VPN into their corporate networks.
   
   I'm sure the VPN software and even the botnets could just as easily begin switching their connections over to non-standard ports anyways.
   
   This cat and mouse game can keep going until there are no ports left open, save for maybe port 80...

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4.  

   You would think

   

   Riley, Nov 15th, 2005 @ 7:41am

   
   

   That someone would be able to make a decent business out of hunting down zombie PCs and offering their owners a service to clean up their computer. People may not care if their computer is sending out spam, but I bet they'd sure be interested to know that there is a good chance their PC has a keylogger on it and that all their information is compromised. Is there a legal way for a business to work with ISPs to contact these zombie owners?

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5.  

   Re: You would think

   

   Anonymous Coward, Nov 15th, 2005 @ 9:02am

   
   

   A little extortion, eh?

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6.  

   No Subject Given

   

   Matthew, Nov 15th, 2005 @ 10:10am

   
   

   The only way to get rid of this traffic is to complain to the source's ISP. This is NOT necessarily your own ISP either. Sending a complaint to your ISP about spam you received from another service will probably get ignored.
   
   To find the source you need to look at the headers (http://www.stopspam.org/email/headers.html) or use a service like www.spamcop.com and copy/paste it all into there.
   
   If you complain to the proper ISP, that ISP gets tired of receiving complaints and should take action against their customer. One bot down, and therefore 10-100K email messages of spam are shot down.
   
   Unless you want M$ to start charging for outgoing messages....

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