Greetings,

I have qmail 1.03 installed according to lwq. Using vpopmail 5.2.1. I'm using 
Solaris 9 on a Sun Enterprise 420 with 4 UtlraSPARC II's, 1 GB of RAM, a 
Mylex fc card and an EMC for storage. I installed qmail-scanner 1.16 and am 
launching it via /service/qmail-stmpd/run as per the instructions in the 
INSTALL file. I also have clamscan 0.54 and Spam Assassin 2.43. I have been 
using the application postal-0.64 to get rough performance specs. I set 
postal to create 29 connections at a time and send a message averaging 10k in 
size. I get the following results:

without qmailscanner: approximately 6,000 messages per minute
with only qmailscanner: approximately 430 messages per minute
with qmailscanner and clamscan: approximately 150 messages per minute
with qmailscanner, clamscan and spamass: approximately 100 messages per minute

My questions are: 1. is this the average amount of performance hit I should 
expect, or do I need to look more closely at my configuration? and 2. if this 
is a typical experience, how are any users with large servers handling virus 
scanning? I searched the list archive and didn't find much in the way of 
comparison, so I am asking the list.

Thank you in advance for any constructive input.

-- 
John Rowan

Unix Systems Administrator
Project Manager

The Planet Internet Services, Inc.


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