Emails sent by SalesForce following a user Subscription to a Dashboard in Lightning are too big.

For each component in the dashboard, the email includes an image with a weight of 700 Ko.

For a dashboard containing the maximum of 20 components, the email total weight is 20 x 700 Ko = 14 Mo.

This is huge and not justified from a technical point of view.

This generates a large waste of messaging system and network resources. SalesForce should compress images sizes before sending emails.

This is a blocking issue in our reporting process, as we would like to subscribe all our users to some corporate dashboards.

To move forward, I created the following #Idea : https://success.salesforce.com/ideaView?id=0873A000000LujgQAC

Thanks in advance for all community members that will vote for it !