> -----Original Message-----
> From: Benjamin Smith [mailto:[EMAIL PROTECTED]
> Sent: Friday, March 28, 2003 3:33 PM
> To: Dallas Engelken
> Subject: Re: [Qmail-scanner-general]Performance Optimization?
> 
> 
> How busy is busy? ~ 50k/day successfully delivered. I don't 
> think this 
> includes bounced spams and whatnot. It catches a virus (on 
> average) about 
> 1.3x/minute. 

Thats about 1800 viruses a day...   That is 2x more than I process between 3 MTA's.

Total Email: last 24 Hours 159,213 msgs 6,642.1 MB 100.00%
Total Spam: last 24 Hours 39,186 msgs 416.5 MB 24.61% 
Total Virus: last 24 Hours 966 msgs 86.1 MB 0.61% 

I drop about 60,000 SMTP Connections a day from RBL and SMTP rules (bad mail from and 
bad recipient to's)...  that really lightens the load.

My load runs about  0.1 to 0.4 on the MTA's, seldom peaking over 1.0. 

> 
> > see the perlfaqs.. the C code will be just as large and 
> just as slow.   it
> > would need to be truely ported to C and compiled and then 
> things would be
> > peachy.
> 
> Best place to begin? 

Probably what I should have asked is how many SMTP connections does the box take 
each/day.

I would recommend trying these.. in this order.
 
  1) run RBL services to reduce smtp traffic
  2) use PPerl to save a little bit of perl overhead
  3) write your own C port of qmail-scanner
  4) use multiple MTA's and round robin your DNS if all else fails.

actually, #4 might be #1 if you want to invest some money.. 

Good Luck!

Dallas Engelken
Network Management Group, Inc.
mailto: [EMAIL PROTECTED]
phone: (620) 662-2700 x 148
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Send encrypted email to [EMAIL PROTECTED] using my public gpg key
http://www.engelken.net/gpg/
 


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