If you unblock a sender and their emails continue to land in Spam, you may have an active Filter set up for them.
To unblock someone in Gmail, follow these steps: how do you unblock someone on gmail
Look for the gear icon (Settings) in the top-right corner of the screen. Click it, and select "See all settings" from the side panel that appears. If you unblock a sender and their emails
Blocking someone on Gmail may seem like a permanent solution, but in reality, it's not always a one-way street. If you've blocked someone, you may want to unblock them for various reasons, such as: but in reality