the `flock' system call. The other involves creating a lock file;
`movemail' must be able to write in /usr/spool/mail in order to do
this. You control which one is used by defining, or not defining,
the `flock' system call. The other involves creating a lock file;
`movemail' must be able to write in /usr/spool/mail in order to do
this. You control which one is used by defining, or not defining,