[Greylist-users] Greylist gravy train ends in 3-6 months

Cami 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
>     queue
> 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.


More information about the Greylist-users mailing list