Email server Specs Advice

Hi.

I am a reseller, one of my clients wants to setup more than 350 email accounts. Right now my reseller account is running in a linux box, P IV 2.0 , 1 Gb RAM, CPANEL.

Server Load 0.31 (1 cpu)
Memory Used 28.6 %
Swap 0.765 %
Disk hda2 (/) 29 %
Disk hda1 (/boot) 27 %
Disk hdb1 (/backup) 26 %

this is what i got.

Do you think this HW can handle 350 more email accounts?
I want to offer a reliable, fast, service for my client.

What do you recomend to me? sould i get a dedicated server for this account?

Thanks for your advice.

Miguel Torres.

Added:
Basically all my clients have html static pages, I checked server load and sometimes goes to 0.75, but most of the time is between 0.15 and 0.50. Thanks for your replies.

 

 

 

 

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