usr/lib/aliases

#
#  Aliases in this file will NOT be expanded in the header from
#  Mail, but WILL be visible over networks or from /bin/mail.
#
#       >>>>>>>>>>      The program "newaliases" must be run after
#       >> NOTE >>      this file is updated for any changes to
#       >>>>>>>>>>      show through to sendmail.
#
#  Individual users can forward their mail using a .forward file
#  in their home directory; this is preferable to using an alias.
#

# Basic system aliases -- these MUST be present
MAILER-DAEMON:postmaster
postmaster:root
help:root

# Aliases to handle mail to msgs and news
msgs: "|/usr/ucb/msgs -s"
rnews:"|/usr/local/uurec"