Special thanks to Chris.Warner@kp.org at Kaiser Permanente for supplying this notes.ini setting.
Use NewMailTune to replace the audible new mail notification. The syntax is as follows: NewMailTune=[full path of .wav file relative to the notes data directory]. For example,
Yes, this is fluff, too, but damn fun! This will play any WAV file and there are many, so many of them available.