Vulnerability Development: Re: AnalogX Proxy SMTP server relay

[Joe Stewart <jstewart () lurhq com>]

Claymore wrote:
> Increasing numbers of users who are using AnalogX Proxy SMTP servers are
> being reported for mail open relays, though when a standard relay check is
> used it comes back as not relaying.
Correct me if I am wrong, but it looks as though AnalogX only checks for a
user configured email alias in the "MAIL FROM:" header to determine if it 
will relay or not. So if I find a valid email alias, I can relay mail through 
your proxy to anyone. 

-Joe
 
-- 
Joe Stewart  Information Security Analyst 
         jstewart () lurhq com 
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