Does Mailtrack work with emails scheduled to be sent later? September 07, 2021 12:28 Updated Yes, Mailtrack can track emails sent using Gmail's schedule send feature. This FAQ explains how. Related articles I was tracked with Mailtrack without my consent. Is that illegal? How to find unread emails in Gmail: Mailtrack's Unread Emails Filter Active email indicator Emails not tracked (grey checkmarks) Will Mailtrack work if I use a preview pane in Gmail?