If I select to mark a message as "deleted", when I delete a message, Mozilla 0.9.3 put a "red cross" on the message icon, and after a very little time remove it automatically.

Can you provide additional information like : - What build are you using ? - How can I reproduce this behaviour ? - What happens, what should happen ? Please observe the Bugwriting Guidelines ( http://www.mozilla.org/quality/bug-writing-guidelines.html ). If you can provide this information, please reopen this bug. Until then I'll mark as Invalid.

This is valid bug and had been resolved from bug 69151. Reopening this bug in order to mark as dup of bug 69151.

*** This bug has been marked as a duplicate of 69151 ***

Thanks for reporting this bug -> please try the latest build to see the fix. Also, please observe the Bugwriting Guidelines for reporting bug next time. http://www.mozilla.org/quality/bug-writing-guidelines.html Marking as verified.