From the bug report , which also has a screen shot mock up "This would make it easier to identify the folders of diffrent mail accounts. This would also make sense for the top account nodes."
Hopefully you have all sorted your issues. If you still have problems, please post a question with details at the support site https://support.mozilla.org/en-US/questions/new/thunderbird - the discuss forum here isn't designed for support. Thanks.
If you have a problem, please post a question at the support site https://support.mozilla.org/en-US/questions/- we don't handle support here in ideas. Thanks.
