Thanks for the checking us out! We have worked very hard on rendering HTML emails because we want to cater to designers and companies that need HTML emails (think newsletter companies).

We handle inline images but we don't load some images by default. There is a small picture icon that loads the images when clicked. More info here -https://supportbee.com/blog/2012/08/07/more-languages-for-th...

If that's not working, it's a bug and we can fix it. We would just need a little more info from you. Can we email you? Or you can email us at support@supportbee.com.

Also, we thread emails as well as Gmail and we have a very robust importing infrastructure (maildir + inotify + resque == lightning fast). Please let us know if you see any issues in threading or importing. We think that's our USP and we want to fix any issues there. No matter how edge case(y) they are.