Solved
ankit_jainAnswer
Helper ⭐️⭐️⭐️
September 28, 2017
Totally agree with Jeffrey.
To add more context here, open tracking is not always 100% accurate. It relies on loading an external image (small & transparent). Many times, email clients do not load images from external sources causing a miss for open event.
For example, Gmail sometimes shows following -
To add more context here, open tracking is not always 100% accurate. It relies on loading an external image (small & transparent). Many times, email clients do not load images from external sources causing a miss for open event.
For example, Gmail sometimes shows following -

