Re: MASS EMAIL bypass BLACKLIST?



http://en.wikipedia.org/wiki/Fast_flux

It's a fairly common practice for spammers.

Tremaine Lea
Network Security Consultant
Intrepid ACL
"Paranoia for hire"


AFH Security wrote:
Hey guys,

I was wondering if there was a way of bypassing blacklist and spam
filters?
I keep receiving emails from a domain and I've blocked the ip from my
server as well as blacklisted the email but for some reason they keep
getting through. I'm guessing they're using a DNS with a low ttll with
a botnet? (Yes kinda like the movie Untraceable).
That'd be awesome if I could get some form of a response.




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