Full Disclosure: RE: Re: [Mailman-Developers] mailman emailharvester

["Aditya Deshmukh" <aditya.deshmukh () online gateway expertworks net>]

> Hashcash isn't even a tiny speed bump if you're a spammer and 
> have 50,000
> zombies - each one only takes a 5 second hiccup and continues 
> spamming....
Hashcash and other systems that rely on some sort of check summing is going
to cause problems and hence their adoption is always going to be under a
cloud !

For me the best possible thing to do is to put up a openbsd server with
postfix / clam av / spam assassin / amavaris combo

1. postfix will reject 90% of the spam during the initial handshake stage -
by using a variety of dns / mx resolution tricks 
2. clamav and spam assassin integrate into postfix so that you don't have to
accept the spam the server can even issue a 550 in the middle of the data
stage
3. using some known blacklists like spamhaus and rbl will cut down spam to
99.9 % 


With a combo of all this : no spam - we do not have to worry about our
address being leaked.



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