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    From [email protected]  Fri Mar 23 20:04:23 2018
    X-Original-To: sandeep
    Delivered-To: [email protected]
    From: [email protected] (Cron Daemon)
    To: [email protected]
    Subject: Cron <sandeep@Sandeeps-MacBook-Air> /Users/sandeep/Library/cootie.pl/cootie.pl cr
    X-Cron-Env: <SHELL=/bin/sh>
    X-Cron-Env: <PATH=/usr/bin:/bin>
    X-Cron-Env: <LOGNAME=sandeep>
    X-Cron-Env: <USER=sandeep>
    X-Cron-Env: <HOME=/Users/sandeep>
    Date: Fri, 23 Mar 2018 20:04:22 +0530 (IST)
    
    /bin/sh: /tmp/iu.sh: No such file or directory

I'm getting this mail quite often. What is this about? Is my Mac ok? Do I need to update something or delete anything?

    $ crontab -l
    4 * * * * /Users/sandeep/Library/cootie.pl/cootie.pl cr