Academic literature on human-computer interaction (HCI) in security suggests that users struggle with the inverse relationship between Safe and Blocked lists.
Click the at the top right of the page. Go to Mail > Junk email . outlook blocked senders list
Since this is a technical feature rather than a specific academic title, the request can be interpreted in two ways: either you are looking for , or you are looking for a security analysis of the feature (common in academic papers). outlook blocked senders list