For this addon to have effect with SeaMonkey, the "Mail & Newsgroups" window must be opened.
This addon adds a Message Filter Action able to get main window attention only for specific Message Filters defined by the user (a big thank to Agata Tringale for this idea): the filter action name is 'Get Attention' [available only in Thunderbird 3.* and SeaMonkey].
In order to use this only as a Message FIlter, the menu entry 'Tools --> New Mail Attention --> Enable' must be unchecked.
Note: If you need to be notified of new messages in other folders than Inbox and you do not wish to create a custom message filter, you must set the "CheckNew" flag on that folders (RightClick on folder-> Properties -> "When getting new messages for this account, always check this folder").
The addon icon comes from the Tango Icon Library.
Since version 1.1.9, I tried to solve some compatibility issues with MinimizeToTray and MinimizeToTray Plus addons. This is working by restoring TB from the tray and then minimizing it: this may result in being a little annoying under Windows and thus I added an option in the Tools menu for disabling this behavior (sorry for that).