samba vs. automounter

[nbecker at fred.net]

I have all my sun unix users automounted as /user/<whatever>.  Is
there any way to reexport this via samba?  I can add a share with
path=/user, but there is nothing there (of course not, it has to be
automounted).  But this doesn't work, for example:

smbclient '\\adglinux1\user\nbecker'
SSL: Error error setting CA cert locations: error:00000000:lib(0):func(0):reason(0)
trying default locations.
added interface ip=139.85.108.152 bcast=139.85.108.255 nmask=255.255.255.0
Password: 
Anonymous login successful
Domain=[MYGROUP] OS=[Unix] Server=[Samba 2.0.7]
tree connect failed: ERRSRV - ERRinvnetname (Invalid network name in
tree connect.)

Any ideas?