Step 1: Access Hosting Control Panel http://www.yourdomain.com/siteadmin,  Type Login and password
Step 2: Choose the email address you want to receive all the emails, e.g. anyname@yourdomain.com Click the "envelope" icon (snapshot below)



Step 3: Type '@www.yourdomain.com' inside the alias box (sample shot below)


Step 4: Click "save changes"



Done