[Greylist-users] Greylist gravy train ends in 3-6 months
camis at mweb.co.za
Fri Jul 16 15:05:10 PDT 2004
> Also, as the subject suggests, I don't know if anyone realises that greylisting
> will be dead very soon. As soon as the spammers notice any impact on their
> delivery rates, it would be incredibly simple to overcome greylisting, to wit:
This is common knowlege.
> 1. Zombie machine downloads 10,000 email addresses and starts delivering mail
> 2. Zombie detects tempfail code and puts from, to, and timestamp in redliver
> 3. Zombie is done mailing 10,000 emails, goes to redliver queue. If timestamp
> is 1 hour, 1 minute old, redeliver using same from, to and IP.
Thats _exactly_ what i want them to do.
> It took me 3 seconds to come up with this idea and algorithm.
Feel free to take another 3 seconds to think about how
them doing what you just described works to your advantage.
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