If you want to know how to block emails on AOL, you can follow these steps. First, log in to your AOL email account, then open the email you want to block. Click on the “More” option (represented by three horizontal dots) and select “Block sender” from the menu. A pop-up message will appear asking for confirmation. Click “OK” to block the sender. You can also block all emails from a particular domain or email address by adding them to your blocked sender's list in the AOL email settings.