5 stars for effectiveness! Unfortunately this email tracker offers a "pro" version that comes with added features and a price tag, but the free extension has proven reliable and quite helpful. As far as I know, the extension works when sending emails from a computer web browser only (no mobile compatibility), but to my amazement it is the only (free!) tracker I've found that can be used for emails sent from browser-based Outlook. No frills and simply designed, this small but mighty email trac... Show more
The plugin provides email tracking and analytics for Gmail, Outlook / Hotmail, Office 365 Outlook, and Yahoo Mail
It allows users to find out if their emails were read, with the ability to track sent emails and receive notifications when emails are read
The plugin also offers a pro version with additional features such as full statistics and link tracking
It emphasizes privacy by not storing or transferring email contents
For more information or help, users can visit the plugin's website