If you use the Gmail app on your Android phone:
Click the (Settings) in the top right and select See all settings . Click the Filters and Blocked Addresses tab. Scroll down to find the list of blocked addresses. how to unblock emails
Being blocked from receiving emails from a specific sender—or discovering you’ve accidentally blocked someone—can disrupt work, personal communication, and critical alerts. Fortunately, unblocking emails is almost always a straightforward process. If you use the Gmail app on your
Select the sender(s) you wish to unblock and click or Unblock selected addresses . On Mobile (Android & iPhone) Open the Gmail app. and critical alerts. Fortunately