* http://htmlemailboilerplate.com/
* [[http://www.campaignmonitor.com/css/]]
* [[http://habrahabr.ru/blogs/webdev/60420/|10 рекомендаций по html-верстке электронных писем]]
* [[http://www.emailonacid.com/|Email on Acid]]
* [[http://www.email-standards.org/]]