How do I "unsend" an email from my Omail+ (Google) account?
When you send a no-take-backs email — maybe an admission to a secret crush, or accidental reply-all — there's an instant pang of regret. It feels like there's no going back.
Meet Gmail's Undo Send feature, a lifesaving little hack buried in the Gmail Labs settings. It gives you a 10-second window to "undo" sending an outgoing email... Click Here to read the instructions on how to "unsend" a Google email!