Weliton DeOliveira on Instagram: "1. Undo that email you just sent. Here's how to undo it: → Setting icon (top right) → Settings>General → Toggle on ‘undo send’ → Choose 30 secs 2. Get rid of Promotional emails. → Type "unsubscribe" in the Gmail search bar. → Now select all emails with the unsubscribe tag. → Now simply tap on the delete button to delete all. 3. Send a confidential email. You can make your email confidential by disabling the features such as copying, printing, forwarding, and dow