I feel like the level of snark in your reply is… High. It doesn’t make for a pleasant interaction, and it doesn’t help make lemmy a nice place to be.
So, if the image you want to put into your email is not hosted somewhere, what’s the best way to go about this, ensuring compatibility?
It’s pretty niche. I’d be interested in it as a device for messaging between folks who are out of mobile range - think farmers, hikers, mountain climbers, forestry workers, fire service, etc.