How To Use The Undo Send Feature In ProtonMail

ProtonMail has useful features like scheduling emails, using short domains, sending expiring emails, and more. Along with it, there is also the Undo send feature. It recalls sent messages and turns them back into drafts for editing. This feature is already on by default, and you can change the undo interval as needed. Here is how: Login to ProtonMail and click on Settings > Go to settings. Choose...