How To Unblock Emails On Gmail [extra Quality]

If you have deleted all emails from the sender, you can still unblock them through your account settings. This method also allows you to unblock multiple people at once. Block an email address in Gmail - Computer - Google Help

Open Gmail on your computer and click the in the top right. Select See all settings . Click the tab labeled Filters and Blocked Addresses .

If you want to unblock emails from a sender that are being incorrectly marked as spam: