Email notification from Confluence does not render images

Summary

When user edits a Confluence page or adds a comment the notification that is sent out with "What's changed" / "New Comment" doesn't properly render the images in the email client (e.g Gmail).

Customer Impact

Not being able to see what images have been added/changed from the email notification received.

Steps to Reproduce

1. Update a Confluence page with an image (add or remove)
2. Check the Confluence email notification

Expected Results

Email Notification contains images that were added / removed

Actual Results

Email Notification doesn't contain the image added / removed

Workaround

A) To review the images that changed navigate to the page and use the page history to compare.

OR

B) Copy the broken image URL and extract the image path that points directly to the media file (link is after the #)

https://ci3.googleusercontent.com/proxy/[hash]#[https://link_to_confluence_file]