Gmail's machine learning might still think the mail is spam based on its content, even if the sender isn't "blocked". You may need to find the email in your Spam folder and click Report as not spam .
This write-up explores the common scenarios where Gmail "blocks" occur—ranging from accidentally silencing a contact to a full account lockout—and provides actionable steps to restore your access. 1. Releasing a Blocked Contact If you are missing messages from a specific person, you may have accidentally blocked their email address. When blocked, their messages are automatically diverted to your Spam folder. To unblock a sender on a desktop: Open gmail unblock
The most common "unblock" scenario is when a user has previously blocked a person or domain and wishes to receive emails from them again. Gmail's machine learning might still think the mail
I understand you're looking to access Gmail if it's blocked. Here's what you can try: To unblock a sender on a desktop: Open