hellow or hi pepole .

i am very hope what u will can help me with my problem !

first sory for my bad english but i will try to write right.

i have a wordpress mu on my host, my host is WHM and Cpanel the problem is:

every time i try to register to my blog like new account its not send mail with the pass for my account !

The same think happen when i try to restore the pass of the admin !

it's write
The e-mail could not be sent.
Possible reason: your host may have disabled the mail() function...
but its not true the mail() function enabled when why its write me this ? and i read what i need to set up a mail on my cpanl called wordpress@mydomain.com if its true plz tell me how i do this !

someone please HELP ME i am very need this help i try to fix this almot a week even with out sleeping !!

HELP ! THNX FOR ANY 1 HOW WILL TRY TO HELP ME !