Why You Can’t Undo Sending an Email (and When You Can)

You can’t normally “undo” an email sent by mistake. Some email clients have undo-like features, such as the “Recall” feature in Microsoft Outlook, but these won’t work most of the time. via Pocket http://www.howtogeek.com/161762/why-you-cant-undo-sending-an-email-and-when-you-can/