Schedule an Email to Send Later
When you're finished composing your email, you can schedule it to send at a future date by clicking the triangle next to Send Now and selecting Schedule for later.
Enter a date and time for the email to be sent and click Save to set the scheduled send time. Once you're done composing your email, click Send Later to finalize the email. You can review, edit, and delete your scheduled emails in the Email tab towards the bottom of the inbox page.