Gmail Schedule Send Schedule emails to be sent later: Click the arrow on the side of the "send" button, and click "Schedule send." Useful for: Reminders for yourself:  "Check with Joe about summer plans" on May 1. Reminders for others:  Send an initial email with deadlines, then schedule reminders at intervals before the deadlines. Etiquette:  If you know someone is on vacation, schedule sending non-urgent messages until their return. Write when you have time, send on someone else's deadline:  Write Courier notes in advance and schedule them to send the week they're due.