>I have a NT 4.0 dual pentium 133 with 128 megs of RAM running Imail 6.x.
>supporting 2000 medium use users. I have 2000 medium use users on a
>different mail system. This will be converted to Imail.
>
>My question is can I add the 2000 new users to existing box or should I get
>a second box. I expect both groups to double to 4000 within one year.

What does the Task Manager show as system load on that box?

I bet you could bet 10,000 users on there with no pb.

Mail is a lot of writing to disk, since the RFC's say each msg must be 
written to disk before the mail server (receiver) tells the SMTP client 
(sender) that mail is received. Do you get the impression that your disk 
activity light is on continuously ?

Len

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