"I may have done something bad, but what is interesting is that if I ever opened it either with Apple Mail or Claws , the mail would be displayed correctly and without data loss. For some time I was exclusively on a Mac, which I still use only as a laptop, and I used Thunderbird for my email. Aside these archival issues I was not really happy with the overall look and feel of the application and the beta of Thunderbird 3 failed to impress me.
"This is why I investigated email clients again when I started to work on my main workstation that runs Fedora 10. I was hesitating between going back to Thunderbird (after a nice trip by Apple Mail) in spite of all my issues with it, returning to Evolution, an application that I had used several years ago, the intriguing Sylpheed / Claws twins, and even KMail.
"I finally picked up Claws, and so far I don't regret it. But by installing it, configuring and using this application, I learned a couple of things about email clients. Let's review the options I had."