What does someone see when you block them on Gmail?

  Block an email address

1. On your computer, go to Gmail.
2. Open the message.
3. In the top right, click More .
4. Click Block [sender].

Block this email address

Future messages from Sean A kismyarse@myarse.com will be marked as Spam.

What does someone see when you block them on Gmail?

Will the Person Know You've Blocked Them. No, the person you blocked on Gmail will not be notified (by Google or anyone else) of your action. Even better, there's no surefire way for blocked contacts to confirm that they've been blocked on Gmail. Except, of course, you tell them