MAILHOST
The host from which to fetch the mail.
Fetch mail from a spool file or using the kpop protocol
movemail inbox destfile
The movemail program fetches mail from inbox, which can be a file name or po:username meaning fetch the mails with KPOP from the host MAILHOST.
This program is intended to be called from mail user agents that are themselves not able to fetch the mail. The primary example of this is Emacs.
MAILHOST
The host from which to fetch the mail.