sudo anomaly

[Steven Friedrich]

I have a userID, admin, that I add to my systems to use when I perform system 
admin functions.  I also use this ID when using X-windows, never starting X as 
root user.

So I needed to check my mail for daily run outputs and so I tried to use su 
then mail, but I got admin's mail. So I exited su, and tried sudo mail. I got 
root's mailbox nd I deleted all but two emails. When I q(uit) mail, it said it 
saved 2 messages in mbox. But when I try to go back in it says I don't have 
any mail. There is no root directory in /var/mail.

Did sudo lose my mbox?

Can anyone verify this anomaly?

-- 
System Name:   laptop2.StevenFriedrich.org
Hardware:      2.80GHz Intel Pentium 4 (HTT) with 2 GB memory
OS version:    FreeBSD 8.1-RELEASE i386 (6.9 MB kernel)
manager(s):    kde4-4.5.1 
X windows:     xorg-7.5    X.Org X Server 1.7.5