Restricted sender list
The Restricted Sender list allows you to prevent specific email addresses, or any address from a specific domain, to send messages to groups. They won't know they've been restricted, but you can choose to receive notifications.
-
Login, click to select the group where you want to make changes, click Settings:
-
Scroll down to Message Flow and click Manage restricted senders:
-
Click Add to either add individual email addresses (1), or allow anyone from a specific domain (2) by adding *@domain (as a wildcard email address):
-
Click Add restricted senders and Gaggle Mail shows you the added email addresses/wildcards:
