Address Assignment Question

John R. Levine johnl at
Mon Jun 20 22:20:18 UTC 2011

>> Hi.  I'm the guy who wrote the CEAS paper on greylisting.
> URL ?

They don't have Google where you are, huh?

> You're right, greylisting on a large system may not be efficient as it
> won't block everything and will eat-up quite a lot of system
> ressources. But it's a good start once basic protocol-checks have
> already eliminated the 80% amount of bullshit sent from botnets.

Most of us use DNSBLs like the CBL or Spamhaus XBL to catch the botnet 
mail.  It's a lot easier to let them tune their protocol quirk checker 
than to do it myself.


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