Add a delay to sending your emails to prevent the Oh-No's

How many times have you sent an email and then realized a few seconds later that your snarky comment was sent to the entire mailing list, or left an embarrassing typo in an email to somebody you were trying to impress?

A 5min delay is usually enough time to fully process the email you were going to send.

Link:
http://.../use-outlook-rules-to-prevent-oh-no-after-sending-emails/