It happens to the best of us. In a fit of frustration with a spammy newsletter or an ex-coworker’s “reply all” storm, we hit the button. The problem is, Gmail doesn’t yell at you when you do this. It simply makes the sender disappear.
Unlike Spam, which holds mail for 30 days, blocked emails go straight to the digital void. The sender doesn’t get a "Delivery failed" notification. Gmail just eats the message. They will never reach your Inbox again until you unblock them. gmail unblock email
Then it hits you: Did I accidentally block them last month? It happens to the best of us
The Great Gmail Escape: How to Find and Unblock an Email Address You Didn’t Mean to Block It simply makes the sender disappear
This is the part that surprises most people. Unblocking does not retroactively bring back the lost emails. Those messages sent while the address was blocked are gone forever (unless the sender resends them).
If their emails show up in the results but are labeled "Spam," click on one email and hit . This retrains Gmail’s AI to trust that sender.
from:example@email.com