Sending emails directly from your codebase or using a developer service? For an API service (like Mailgun) you need to inline the CSS before sending. See email-inlined.html for an example. You can use ...

Send Email from a Static HTML Form using Google Apps Mail! A Step-by-Step Example of using an HTML Form to send a "Contact Us" Message via Email without a Backend Server using a Google Script - No PHP ...

I am trying to find out if there is something out there, or the proper terminology to find something to create a newsletter based on a pre-defined template? I played around with Constant Contact and ...

In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, right-clicking on it, and selecting “View source” from the context menu.