Re: IM2000 RNASP -- identifying message stores to recipients

Bruno Wolff III <[email protected]> wrote:
> 
> This would still invalid notifications previously sent out with the old
> IP address. So they need to steal some more resources to send a new round
> of notifications,

... which are designed to be lightweight, and which don't involve a monetary
cost, unlike registering a new domain.

> I don't think the innocent parties is a big problem as long as the block lists
> get aged over something like weeks. Generally they either got hacked or
> they are using dynamic IP addresses which shouldn't be used for a message
> store. Occasionally spammers will get a static IP revoked and it will get
> handed out to a new customer. Aging blocked IPs will take care of this
> case.

Too bad it doesn't work out this way.  In my experience, many of the DNSBLs
add addresses to their lists and never remove them.  I've been bitten perhaps
a hundred times in this fashion, where I can't send mail because my current
address was added to some DNSBL years before I got it.

Charles
-- 
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Charles Cazabon                           <[email protected]>
GPL'ed software available at:     http://www.qcc.ca/~charlesc/software/
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