Changes

But even with these great tools, you still need help.

# Campaign Monitor offers a number of [https://www.campaignmonitor.com/guides/ guides], including [https://www.campaignmonitor.com/css/ a complete breakdown of the CSS support for every popular mobile, web and desktop email client on the planet]. They also offer hundreds of free to use templates and design examples.

# Premailer (http://premailer.dialect.ca/) is a cool service that will allow you to test your email content before you send it. It will convert CSS styles to inline style attribues. It gives you HTML and CSS warnings (including those from the Email Standards project). It will also generate the text-only version for you. Premailer is written in Ruby, with a lot of help from Nokogiri, Hpricot and the Sinatra framework (goodbye eruby). The [https://github.com/premailer/premailer source is available] on GitHub. As of 2014, there was discussion of making a 2.0 version, but it's 2015 now and there isn't a separate branch, so maybe the "new version" is just being incrementally built into the current.