Free Email Tracker provides an option to receive an email reminder if recipient does not open your email message in 48 hours. You can set up that reminder per message or you can set up default that all sent messages have the reminder.

Here is how to send an email so that so that you will receive an email reminder if your recipient does open your email message in 48 hours:

1. Compose a new email message, and you will see an email tracking icon at the bottom of the “Compose” window.
2. Click on the email tracking icon:
   

3. Click on Send me an email if no open in 2 days:
   

4. If your email message is not opened in 2 days, we will send you a reminder email.

You can set up defaults on Email Tracker dashboard:

STOP NOTIFICATIONS WHEN EMAILS NOT OPENED>