Know when your emails are read

with Read Receipts on Newton

Gmail inbox interface showing a list of emails with various read receipt check marks highlighted in blue and gray.
Email from Roger to Isaac expressing admiration for Isaac's work and offering to proofread the second edition of Principia Mathematica.

How it works

Know which emails have been read, right from the Inbox list view.

Get notified as soon as someone reads your message.

Get a reminder if there's no response to your email.

Track emails for Gmail, Exchange, Outlook, Yahoo Mail, iCloud and IMAP.

This feature uses GeoLite2 data created by MaxMind.

Newton supercharges your email

with space-age features that put you on top of the world.

Try Newton for free
No credit card required
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Connected Apps

Save email content directly to your apps. Know more

Illustration of five moon phases arranged in a semicircle, showing full, waning, and crescent phases in purple and beige colors.

Send Later

Schedule emails to be sent at the perfect time. Know more

White space shuttle launching with an orange flame trail against a purple circular background.

Snooze

Bring your emails back at a more convenient time. Know more

Two overlapping digital profile cards; front card shows an alien avatar with the name E.T. Elliot, travel writer at Spacetime, Andromeda, with social icons for LinkedIn, Twitter, and Facebook, and the back card has the Spacetime logo and a brief company description with social icons.

Sender Profile

Know everything about the people who email you. Know more

Works with all your email accounts

Gmail, Exchange, Yahoo, Google Apps, Outlook, iCloud and all IMAP accounts