Hardware issue on 1 000 000 mail a day

[Julian Field]

I've got a dual Opteron box on the way to me right now, for 6 weeks. Give 
me a shout off-list in a week or two and I'll tell you how I'm getting on.

At 04:48 01/04/2004, you wrote:
>Hi
>
>We are planning to buy new hardware to our Mailscanner system. Today we 
>have two P4 2,2 GHz with 512 MB memory and normal 200 GB IDE harddisk 
>drives. We are only running Mailscanner with all the modules and F-prot 
>antivirus on these servers. Normally we handle 25 to 35 k with mails 
>everyday without any problem. The servers are located on two different 
>locations in Norway and host around 1000 domains together. It is 500 with 
>each server as primary MX and the other as secondary. This system is 
>working very well, if one server is down the other one is taking all the 
>mail and normally it is not more then 4.00 in load on the server and 2 
>minute mail queue. We are running everything on FreeBSD 5.2 and Postfix.
>
>What we have seen more and more often is that we (or our customers) are 
>getting flooded by spam. Yesterday we got almost 1 000 000 spam messages 
>from more then 50 000 IP addresses. This is a big problem and our servers 
>are working and working but it take long time to process everything. We 
>normally stop mail with header_check in postfix when this happen, but this 
>time we know that it also was coming was very important for the customer 
>so we couldn’t stop all the mail for this domain buy header_check.
>
>Lately we have been using many Dual AMD Optiron servers that works very 
>well on many things, but we have also some problems with some applications 
>like frontpage extension and some PHP accelerators. Have any body 
>experience with FreeBSD and Mailscanner on amd64 systems ? And where 
>should we put the money on the hardware. Disk, memory or CPU ? I’m 
>interested to hear from other that face the same problem, how do you solve it ?
>
>
>Best regards
>Egil Fujikawa Nes
>
>WebDeal AS - Teknologiveien 22 - 2815 Gjøvik - NORWAY
>
>Phone: +47 61 13 16 50 - Fax: +47 61 13 16 51
>E-mail: <mailto:post at webdeal.no>post at webdeal.no - URL: 
><http://www.webdeal.no/>www.webdeal.no
>
>

-- 
Julian Field
www.MailScanner.info
MailScanner thanks transtec Computers for their support

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