To create an email user in WebMail:
1)   Login into the WebMail interface as the Domain Administrator
2)Â Â Â Click on Domain Settings
3)Â Â Â Click on Email Users
4)   Click on Add User
a. Enter the Username
b.  Create a Password
c.  Confirm the Password
d.   Add a Display Name
e.   Enter a Reply Address
f.     Select the appropriate time zone
g.    Set the Mailbox size limit (default = 20MB)
6)Â Other tabs regarding WebMail, Compose, Forwarding, Groups and Plus Addressing are available for you to configure.
7) Then click Save