If you don't want to go campaign mode but just need to be aware of how your prospects are reacting.  

2. Connect with Google

Connect with Google

3. Click on Allow

Click on Allow

4. Click on Free Includes "Sent with Mailtrack" signature Sign Up Free

Click on Free
Includes "Sent with Mailtrack" signature
Sign Up Free

5. Click on Go to Gmail

Click on Go to Gmail

6. Here's a test email I sent

Here's a test email I sent

7. This is what the status looks like in the sent folder

This is what the status looks like in the sent folder