Here's an official Gmail Blog post about the same feature, although the images are broken. https://gmail.googleblog.com/2008/10/new-in-labs-stop-sending-mail-y

Here's an official Gmail Blog post about the same feature, although the images are broken. https://gmail.googleblog.com/2008/10/new-in-labs-stop-sending-mail-you-later.html https://gmail.googleblog.com/2008/10/new-in-labs-stop-sendin...