Milter-greylist

>I'm thinking about deploying it for some 10.000/20.000 existing
>email addresses (4 SMTP mail-gateways).
>Will milter-greylist work in such a context ?
>I'm worried about memory needed/usage and performances ...
>

With ~ 1100 email address milter-greylist needs ~ 13 Mb and less than
1 % CPU on a 550 Mhz/512 Mo serveur. It's a more efficient filter than 
spamassassin (both for spam and ressources used).

   PID USERNAME  SIZE   RSS STATE  PRI NICE      TIME  CPU PROCESS/NLWP  
 12771 smmsp    4584K 3272K sleep   59    0   0:00:00 0.2% sendmail-8.13.1/1
 18449 smmsp    2824K 2048K sleep   59    0   0:00:25 0.0% spfmilter/7
 18429 smmsp      13M   13M sleep   59    0   0:04:23 0.0% milter-greylist/9

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C.P.