#!/bin/bash

if [ -z "$1" ] || [ -z "$2" ] ;
then
    echo "Email address is required as the first parameter"
    echo "and the alert message as the second parameter"
    echo "E.g. /bin/bash "$(basename $BASH_SOURCE)" your_unique_alert@emailalerts.net \"This is the alert message\""
fi

SENDMAIL=$(which sendmail)
MAIL=$(which mail)

if [ "$SENDMAIL" != "" ];
then

    echo "Subject: $2" | sendmail $1

elif [ "$MAIL" != "" ];
then

    mail -s "$2" $1 < /dev/null
    
else

    echo "Could not find sendmail or mail program"

fi