What is the inbox filepath?

[Colin]

Hey guys. Im used to netscape 4, and having all of my mail go to
/home/**/nsmail.
I just downloaded Mozilla 1.1, and ive got no idea where any of it is
going. /home/**/Mail doesnt seem to contain any of the mail i just
recieved. I checked preferences, no dice.
Appreciate any help 
-Cheers