Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
Free Marketing Email Copy - Marketing email copy from 500+ popular brands.
EmailWay - Collection of the most insightful and informative email newsletters from across a wide spectrum of industries and interests
VeryGoodCopy - 100s of proven copywriting principles & techniques, for free
Really Good Emails - A large collection of good product email design.
Raven Creative - Raven Creative specializing in effective, strategy-driven solutions for website design, branding, advertising & beyond.