Delay Gmail messages, cancel, pause or send now, and catch typos, missing attachments and risky recipients.Gmail's Undo Send stops at 30 seconds. By the time you spot a forgotten attachment or wrong recipient, the message is already delivered. Soft Send holds Gmail messages for 1 minute to 1 hour before delivery. . Warns you about missing attachments, new recipients, and reply-all risks. No server stores your email. Everything runs locally. Free to start. Pro is $14.99 once, no subscription.