Add domain roles

 In the left pane, click 

Roles by Email Domain

. 

Click . 

In the 

Email Domain

 box, enter the domain name. 

In the 

Roles

 area, select the role(s) for users in the domain: 

In the 

If there are existing Users of the same email domain

 area, set whether the selected roles replace or are added to existing roles held by users in the domain: 

Click 

Add

.