Aside from the Bounce Back emails users can send to blocked senders, another option is a canned response called “Blocked by Block Sender”.
Unlike the fake bounce-backs, these canned responses are available to users on the free plan as well. Here is how to send them:
- Open an unwanted email
- Click on the “Block” button
- Select “Reply with…”
- Select “Blocked by Block Sender” in the dropdown
- Click “Send response”
On the other end, the user getting blocked will see an email reply like this:
The reply text reads “Your email to <your-email> was not delivered because it was blocked by Block Sender.”
Note: This feature is currently only available when sending canned responses in the “Reply with…” menu. It will soon also be available as an auto-response to blocked emails.