It's the style of writing we wanted to take for our FAQ as these were the questions being asked.
At this point in time, there isn't an alternative to screenshots unless you emulate/reproduce the mailing engine for each client, but then, you can't be 100% sure what you're seeing is accurate.
An example of a new feature that we have added is sending directly from your email marketing software. Say you've set up your HTML email in MailChimp ready to send, click 'Send a test' and paste in your unique Targeted.io email address, and it'll appear in your dashboard within seconds.