Photoshop: How do I set up system to send emails from Photoshop?

You can install this add-on to email images directly from Photoshop:

https://creative.adobe.com/addons/pro...

"Prepping images and attaching them to an email just got a lot easier with the Adobe Emailer panel. This panel takes advantage of new technology in Photoshop to resize, save, sharpen, and email your photos all in one go."