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In addition to LOGNAME, HOME, PATH, and SHELL, cron(8) will look at
MAILTO if it has any reason to send mail as a result of running commands
in ``this'' crontab. If MAILTO is defined (and non-empty), mail is sent
to the user so named. MAILTO may also be used to direct mail to multiple
recipients by seperating recipient users with a comma. If MAILTO is
defined but empty (MAILTO=""), no mail will be sent. Otherwise mail is
sent to the owner of the crontab. This option is useful if you decide on
/bin/mail instead of /usr/lib/sendmail as your mailer when you install
cron -- /bin/mail does not do aliasing, and UUCP usually does not read
its mail.

EXAMPLE CRON FILE
# use /bin/sh to run commands, overriding the default set by cron
SHELL=/bin/sh
# mail any output to `paul', no matter whose crontab this is
MAILTO=paul
#
# run five minutes after midnight, every day
5 0 * * * $HOME/bin/daily.job >> $HOME/tmp/out 2>&1
# run at 2:15pm on the first of every month -- output mailed to paul
15 14 1 * * $HOME/bin/monthly
# run at 10 pm on weekdays, annoy Joe
0 22 * * 1-5 mail -s "It's 10pm" joe%Joe,%%Where are your kids?%
23 0-23/2 * * * echo "run 23 minutes after midn, 2am, 4am ..., everyday"
5 4 * * sun echo "run at 5 after 4 every sunday"

(MAILTO=""), no mail will be sent. Otherwise mail is
sent to the owner of the crontab.

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>/dev/null 2>&1