10 essential email design tips from Justine Jordan

http://content.myemma.com/h/i/268624866-10-essential-email-design-tips-from-justine-jordan

Email Design Guide from MailChimp

http://mailchimp.com/resources/email-design-guide

Copywriting Tricks Every Email Marketer Should Know

http://emailcritic.com/2016/04/copywriting-tricks-every-email-marketer-should-know/

Email Newsletter Design Fails To Avoid

https://creativemarket.com/blog/2016/02/03/email-newsletter-design-fails-to-avoid

24 awesome Black Friday ideas

https://www.campaignmonitor.com/blog/email-marketing/2015/10/24-awesome-black-friday-marketing-campaigns/

10 Awesome Hacks For Emails That Convert

https://designschool.canva.com/blog/newsletter-design/

Modern Trends & Design Ideas for Email Newsletters

http://marketblog.envato.com/trends/modern-trends-design-ideas-for-email-newsletters/

Create the Perfect Call To Action

https://www.campaignmonitor.com/blog/post/4317/call-to-action-email-marketing

Email Preheaders: Ignore them at your peril

http://www.inboxmarketer.com/blog/~1389-Preheaders-Ignore-them-at-your-peril

The anatomy of a high-converting email newsletter

https://www.campaignmonitor.com/blog/post/4561/anatomy-of-email-newsletters

10 Rules For Designing Emails Your Customers Will Want to Read

http://rimidesigns.com.au/blog/2014/09/23/10-rules-designing-emails-customers-read/