This tutorial assumes you have the Email Scheduler plugin installed. If you don't, you can find the Undo Send feature on the Atlas platform or as a Download here
Once you have the Email Scheduler plugin installed it will show up in the Apps menu. Choose the Email Scheduler option.
Change the Countdown before sending messages from Disable to a number, we recommend 5+ seconds to give you time to glance over your email before sending.
Now whenever you send an email, you have the choice to cancel for any last minute edits, or send it straight away.
Undo Send in Action