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Address Assignment Question
- Subject: Address Assignment Question
- From: johnl at iecc.com (John R. Levine)
- Date: 20 Jun 2011 18:20:18 -0400
- In-reply-to: <BANLkTin+G_o1yEdNT=_jndSZujXs0eeQdksBY35ok1C=RUW-ew@mail.gmail.com>
- References: <[email protected]> <[email protected]> <BANLkTin+G_o1yEdNT=_jndSZujXs0eeQdksBY35ok1C=RUW-ew@mail.gmail.com>
>> Hi. ?I'm the guy who wrote the CEAS paper on greylisting.
>
> URL ?
They don't have Google where you are, huh?
http://www.ceas.cc/papers-2005/120.pdf
> 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.
R's,
John