Gmail shows download icon on images of HTML Email

Question

We have a Html Builder, that allows you to create responsive html for emails. We are using a third party engine to send the emails in bulk. The problem is, when email is being o

Answer 1

This is a new feature Google implemented a several weeks back, I believe it only works on "large" images, but I could not find out the exact constraints. It seems to happen more so where you have a very large hero image.

As a feature I assume it's more intended where someone you know personally has provided you with a Photo embedded into the email, there is also another feature that allows you to add it straight to your Google Drive.

A Google Plus post from Gmail themselves

A blog post about it