Babun mailtrack

You're referring to Mailtrack!

Mailtrack is a popular browser extension developed by Babun, a company that aims to make email communication more efficient and transparent. The extension allows you to track emails you send, so you can see when they're opened and by whom.

Here are some key features of Mailtrack:

1. Read receipts: Mailtrack sends a read receipt to your email address when the recipient opens your email.
2. Delivery tracking: You can see when your email is delivered to the recipient's inbox.
3. Open tracking: Mailtrack tracks when the recipient opens your email, including the time and date.
4. Customizable notifications: You can set up custom notifications for when your emails are opened or delivered.
5. Integration with popular email providers: Mailtrack supports popular email providers like Gmail, Outlook, Yahoo, and more.

Mailtrack is available as a browser extension for Chrome, Firefox, and Safari, as well as a desktop app for Windows and macOS.

Overall, Mailtrack is a useful tool for anyone who wants to stay on top of their email communication and ensure that their messages are being received and read.