To block emails on iCloud, you'll need to use the iCloud website — you can't use the Mail app on your iPhone or iPad.

You can delete all of your emails on Yahoo Mail using "Select All" repeatedly, or you can use the "Clean your Inbox" tool to ...

Google Messages now lets you delete a sent text message. A deleted message disappears for the other person immediately. The feature is available now for almost all Android users. Get more in-depth ...