Thread: spam email problem
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Old 25-04-2008, 15:36   #14
dev
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Re: spam email problem
Quote:
Originally Posted by webcrawler2050 View Post
Hmm this is very simple to explain

Its called spoofing & is very achievable to do via Telnet: http://en.wikipedia.org/wiki/Spoofing_attack

Anyone that is web technology fluent can achieve this. Sometimes it can last for a period of up to 2-3 weeks. Sometimes longer. The only real way to *try* and stop this is SPF Records & Domain Keys

http://en.wikipedia.org/wiki/Sender_Policy_Framework
&
http://en.wikipedia.org/wiki/Domain_Keys

Wether the VM email system supports this is another matter

Hope this helps
although that is a solution, i find it rare that people bother to put SPF DNS records so setting up SPF on a mail server doesn't cut spam out by much, if at all.
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