# /etc/aliases
mailer-daemon: postmaster
postmaster: root
nobody: root
hostmaster: root
usenet: root
news: root
webmaster: root
www: root
ftp: root
abuse: root
noc: root
security: root
logcheck: root
root: tom

================================

╰─[:)] % sudo exim -brw tom@pluto.olympus
  sender: tom@pluto.olympus
    from: tom@pluto.olympus
      to: tom@pluto.olympus
      cc: tom@pluto.olympus
     bcc: tom@pluto.olympus
reply-to: tom@pluto.olympus
env-from: tom@pluto.olympus
  env-to: tom@pluto.olympus
╭─[~]─[tom@pluto]─[0]─[8879]