Requirements to run on local machine:

sudo apt-get install ssmtp

Setting up gmail email server: Make sure you enable 'allow less secure apps' on gmail settings

echo 'UseSTARTTLS=YES FromLineOverride=YES root=[email protected] mailhub=smtp.gmail.com:587 AuthUser=[email protected] AuthPass=MYPASSOWRD' >> /etc/ssmtp/ssmtp.conf