static (inside,outside) tcp interface www www netmask 255.255.255.255 0 0
static (inside,outside) tcp interface smtp smtp netmask 255.255.255.255 0 0
assuming you try to access the server from internet, in that case you'll need access-l applied on outside interface
access-list 100 permit tcp any host eq www
access-list 100 permit tcp any host eq smtp