Articles, Information, & Organizations
SitePoint: How to Code HTML Emails
SitePoint: The Principles of Beautiful HTML Email
Think Vitamin: Ensuring your HTML emails look great and get delivered
Think Vitamin: HTML Emails – Taming the Beast
CSS-Tricks: Using CSS in HTML Emails: The Real Story
Nielsan Norman Group: Email Newsletter Usability
544 page PDF Report the subject. Probably chock-full of good stuff but it’s $400 bucks (or $700 if you wanna make a copy)
Campaign Monitor: A Guide to Using CSS in HTML Emails
Wikipedia: CAN-SPAM (Set of laws passed in 2003 that govern some specifics about mass emails)
Mayhem Studios: HTML Newsletters on a Mac
Smashing Magazine: Best Practices for Bulletproof Email Delivery
Mail Chimp: Free HTML Email Templates
Campaign Monitor: 30 Free HTML Email Templates
CSS-Tricks: Creating and Sending HTML Emails
Step-by-step walkthrough of how to create an HTML email that will look good and have a very high chance of looking correct in all email clients. Tables and inline styling!
Arguments Against HTML Email
George Dillon: 7 Reasons Why HTML Email is a Bad Thing
Not everybody things HTML emails are so hot.
Testing Your Designs
Premailer: Preflight for HTML Email
Litmus: Email Testing
Campaign Monitor: How to test HTML emails
Mail Chimp: Stupid HTML Email Design Mistakes
Contactology: Test your Email’s Spam Score
Mail Chimp is the only one on this list I have directly used and I can vouch for them 100%. Reasonable prices, awesome user interface, and loaded with the features you’ll want.
Cake Mail’s tagline is “White Label Email Marketing” meaning that with their service, you can sort of “brand” the backend of the software. You are able to create and send campaigns like all the other services, but you can also set up clients to be able to do it themselves and in essence become a reseller.