$ npm install -g caniuse-cmd # install the caniuse cli
$ caniuse grid layout | mail -s test my@email.com # send a test email
$ crontab -e # open crontab
After opening crontab, add this line and save:
0 5 * * Sun /bin/bash -li -c "/usr/local/bin/caniuse grid layout | mail -s Update my@email.com"