Great design.

Content aggregation and distribution system built in-house.

David Greiner. Updated Campaign Monitor template gallery.

Reviewed by Jon Hicks.

Ros Hodgekiss on how major desktop and web based e-mail clients handle alt text for images.

Ros Hodgekiss on how to overcome the blue link problem with HTML email on Yahoo! Mail.

By following the principles of JFGI, I present the holy grail of HTML email authoring.

Campaign Monitor’s post introducing their new autoresponder feature gives a good overview of the functionality, pitfalls, benefits and strategies.

Mathew Patterson provides a showcase of HTML e-mail designs.

Mathew Patterson really is the best at this.

Campaign Monitor’s Matthew Patterson on building HTML e-mail. I saw Matthew talk at the Future of Web Design a few years back. It was an excellent presentation.

How to set up multiple e-mail aliases in Mail.app.

Michael Martin’s How To, using WP-DB Manager.

Frederic Lardinois on Google Wave.

Andy Ihnatko on Google Wave.

Gmail down for four hours.

It's a good question since it keeps coming up: should you run your e-mail services in-house or adopt free or cheap third-party hosted solutions. Many people commenting in this thread seem to see the former as more work than it's worth, and have liked the experience of moving to the latter.