مرکز آموزش

When sending email I receive an error message.

This means that there is a problem with the recipient’s email address. The message will explain the problem; normally "Receiver does not exist."

Go to cPanel - "Mail" - "Email accounts". Complete all of the fields and click “create account”...

You can do that at cPanel - "Email" - "Email Authentication".

This is probably due to your quota being full. You will need to delete some of your mail to make...

----- The following addresses had permanent fatal errors ----- (reason: 550 ... User unknown)...