http://37signals.com/svn/posts/3096-behind-the-scenes-giving-away-the-secrets-of-email-delivery http://37signals.com/svn/posts/3096-behind-the-scenes-giving...

http://37signals.com/svn/posts/3096-behind-the-scenes-giving-away-the-secrets-of-email-delivery http://37signals.com/svn/posts/3096-behind-the-scenes-giving... This is pretty good. :)