You can email yourself (or anyone else) the output of any command with mutt using the following one-liner:

cmd | mutt -s "$subject" "$email"

Noting something across devices (almost all of them are connected to my email).

echo "$x $y $z" | mutt -s "Reminder" "$email"

Sending a morning reminder of active tasks (running as a cron job).

task active | mutt -s "Tasks" "$email"