>We are ISP using Imail and we are evaluating Declude Virus & Junkmail. I was
>wondering anyone can offer insight on how much of a load these 2 programs
>will put on our servers.
>Our machines have roughly 200 domains on each server.
That depends mostly on how many E-mails you send/receive per day (you could
have no impact on a server with thousands of domains and hundreds of
thousands of users if there is not much E-mail sent/received per day,
whereas there would be a large impact on a server with just 1 domain and 1
user that sends/receives hundreds of thousands of E-mails per day).
There are other factors, such as the CPU speed of the server, and what
percentage of your E-mail needs to be scanned (the pre-scanning in Declude
Virus Pro helps out there, by only sending potentially dangerous HTML
E-mails to the scanner, rather than all of them). But the number of
E-mails sent/received per day is the most important.
>I know a rough estimate on the number of emails would be good but I really
>don't know.
1,000 per day? 10,000? 1,000,000?
For a quick estimate, you can type the following lines from a command prompt:
find "ldeliver" sys0408.txt /C
find "rdeliver" sys0408.txt /C
That will show an estimate of the number of E-mails received (ldeliver) and
sent (rdeliver) in a day.
>So if you have some figures for a server with about 200 domains
>and the amount of email generated a day I would appreciate anything....
A typical server with 200 domains would send/receive about 15,000 to 25,000
E-mails/day, but we have customers with 200 domains that have traffic as
low as about 1,000 E-mails/day and as high as about 200,000
E-mails/day. If you're in the low end (1,000), any of your servers should
be able to handle the load. At the high end (200,000), you'll need lots of
CPU power. In the 15,000 to 25,000 range, an average server (500MHz)
should be able to handle the load fine (although you may see noticeably
higher CPU usage in the Task Manager, it shouldn't affect other services).
-Scott
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