Mail, Messages and FaceTime
Unsend and correct your mistakes to save embarrassment
BOTH APPLE’S MAIL app and Messages have become more tolerant of human error, in letting you unsend when you want. These work quite differently: Mail does this by delaying dispatch of messages by up to 30 seconds, during which you can change your mind; Messages still sends immediately, but gives you up to 15 minutes to cancel or correct each message.
1 Send it later
Schedule your email to be sent in the future, rather than trying to remember to send it later yourself. Click the drop–down menu to the right of the Send button, select one of the suggested times or Send Later to set any time and date you want.
2 Email reminders
You can set Mail to remind when you need to deal with important messages. Ctrl–click on the message and set Remind Me there to give you a nudge at the right time.