How to Check Your Block List on Gmail (Desktop & Mobile)
You cannot. Gmail does not have a "block list checker" for other people's accounts.
Click "See all settings" from the dropdown menu. how to check block list on gmail
Open the Gmail app on your phone.
Accidentally blocked someone? Need to clean up your list? Here is the step-by-step guide to finding and managing your blocked email addresses in Gmail. We’ve all been there. You block an annoying promotional email address or an ex, only to realize months later that you’re missing an important email from that same person. How to Check Your Block List on Gmail
Scroll down and tap "Settings."
Scroll down to the bottom of the page. You will see a section titled "Blocked addresses." Open the Gmail app on your phone
Open Gmail in your browser and click the Gear icon (Settings) in the top-right corner.