Sir,

My client need 100 MB of hosting package and 50 email ids which contains 100 mb quota each how can i do this with my whm? ( now i create a package as 5100 mb and provided to him shall i limit his data usage to 100 mb and email usage to 5000 mb ?)
I am using whm version 10.0 kindly answer me any one if you know...
Thank you in advance,
By,
kanagavel.A

Your client have The whole package of 5100MB and you cannot specify which part is hosting itself and which is e-mail.
The solution can be offering him 100mb hosting (not 5100) but put MX to other e-mail server/provider. (would be cheaper for you as you are offering now 5100MB for the cost of 100MB)

It depends on what you want to do.

Do you want to sell him 100MB package or a 5100MB package?

You could simply sell him a 100MB package and let him create 50 100MB email accounts. Of course, the total disk space used of those 50 email accounts couldn't go over 100MB. Or you can do like you said and create a 5100MB package. Problem is, you're not assured he's going to use the 5000MB for email storage only.