Email aliases are alternative email addresses associated with a primary email address. All mail sent to email aliases will be received by the primary email address.
Please follow the following steps:
1) Login to Plesk Control Panel.

2) Click on Mail Tab.

3) Select the corresponding Email Address from the list.

4) Click on Email Aliase Tab and Enter The details as marked in RED. and then Click ok.

Information: The settings of email address email.address@gwdemo.com were saved.
