A.Have you ever sent an email to the wrong address because you made a typo? Did you get a response back saying that your email couldn't go?
A catch-all alias will ensure that any email sent to your domain will be received, even if the email was sent to a non-existent user.
You get the catch-all email facility with all Linux Hosting package.
Cpanel hosting accounts
Please read tutorial on "Setting your default email address".
For further detail visit our tutorial Section