how can i use email address only with domain name?

[nxzwt]

the email address is myname@hostname.domain_name with the default installtion of zimbra.how can i change it using only domain name?

ex:
now :nxzwt@mail.test.com
wanted:nxzwt@test.com

pls help me!

[Dirk]

This is the standard behaviour of Zimbra. To do what you ask, use the admin console and make a new domain in the domain's section called domain.com or whatever you need, set this to be the default domain and your'd done.

You can delete the old domain, but I advise against it as it can upset some things.