On average my Imail server processes over 100,000 messages per day.  I have a DS3 to 
the internet, so bandwidth shouldn't be an issue.  But YES, having the lists locally, 
I belive, would help.


---------- Original Message ----------------------------------
From: "R. Scott Perry" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Date:  Wed, 11 Aug 2004 13:27:54 -0400


>I think he is wanting to have the Spamcop list local to his network 
>instead of "reaching" across the 'Net.

Could be.

FWIW, though, only a small percentage of spam databases offer zone 
transfers of their data.  Also, the zone transfers are only useful if you 
have a high enough rate of queries.  For example, if the zone file is 50MB 
(some are!), and you update it just once a day (meaning that your data 
isn't as fresh as connecting directly), you would need to do over 100,000 
lookups per day to justify the zone transfers (that's 100,000 non-cached 
lookups, so you could quite possibly process 1/4 million E-mails/day before 
the zone transfer is justified).

                                                    -Scott
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