[nycbug-talk] greylisting proxies?

[George Georgalis]

On Sun, Oct 01, 2006 at 02:25:52PM -0401, Ray Lai wrote:
>On Sun, Oct 01, 2006 at 02:00:34PM -0400, George Georgalis wrote:
>> On Sun, Oct 01, 2006 at 12:48:39PM -0400, Okan Demirmen wrote:
>> >On Sun 2006.10.01 at 00:04 -0400, Charles Sprickman wrote:
>> >> Hi all,
>> >> 
>> >> I'm currently stuck with my decision to run qmail in many places. :)
>> >> 
>> >> I really want to give greylisting a try since I'm seeing an average of 
>> >> 80-85% of all mail is spam and the less cpu/disk/network I can spend 
>> >> processing this junk the better.
>> 
>> and greylisting purges 97% of of them, with low (0?) false positives.
>
>Well, no.  There are some badly configured MTAs that either use
>pools (Google) or give up after one try.

It suprises me how bad google does mail.... I just accept
everything from their subnets, 'cause their headers are so broke
I get false positives with spamassassin, never noticed a 'pool'
problem.  Don't get spam from them though...

What MTA fails on one try?

<rant> the worse mta is verizon -- hard to deliver to. </rant>

// George


-- 
George Georgalis, systems architect, administrator <IXOYE><