A great example of breaking the best practice rules in order to make something out of the ordinary.
Great spam send up from The Onion.
HTML code for email newsletters is a deceptively complex art – In this series we’ll take a look at some html email coding best practices.
An interesting idea about crowdsourcing email marketing strategy from twitter.
This newsletter design from UK fashion retailer next is chock full of little bits of best practice for retail emails.