how do i stop vrfy for Cubic Circle POP

hi I would like to stop vrfy option on my POP for security reasons. Could somone advice me how? thankz

portmap on debian

hi, I just couldn't figure out how to stop portmap from running on my debian box everytime it reboots. I am very sure it is not controlled by any TCP wrappers and i have checked it's runlevel directory but I couldn't find portmapbtw, it's running on run level 2 please help. thankz rizan