How do you stop outgoing spam?

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Rafi Sadowsky wrote:
> 
> AFAIK you can tunnel IP over(at least):
> 
>  1) HTTP(not just use port 80 for non HTTP traffic)
> 
>  2) ICMP ...
> 
>  3) DNS queries(needs an external "custom" cooperating DNS)

E-mail: http://detached.net/mailtunnel

-- David

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