User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8) Gecko/20051111 Firefox/1.5 Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8) Gecko/20051111 Firefox/1.5 It is impossible (keyboard or mouse to menu command) to spawn a new message unless another thunderbird window is open. Cmd-Sh-N/M or Menu->Message->New Message results in no further action. You need to at least click the logo in the dock to spawn the main window to then compose. Reproducible: Always Steps to Reproduce: 1. Close all Tb windows, but do NOT quit (obviously) 2. Cmd (Sh) M (or N) or Menu->Message->New Message 3. No new composition or message window. Actual Results: Nothing Expected Results: New mail window Having a mailbox window open all the time consumes screen real estate. At least on a Mac, visual clutter is not conducive to design.

Duplicate of/related to bug 232679?