set -e
[ "${DEBUG}" == 'true' ] && set -x


# ===== SMTP CONFIGURATIONS 1 =====
SMTPADDRESS='smtp://smtp.gmail.com:465'
SMTPFROM='user@gmail.com'
SMTPUSER='user'
SMTPPASS='pass'


##################################################
# Usage:
# source ./sendEmail-v1.1.sh
# EMAILTO='user1@example.com,user2@example2.org' \
# EMAILSUBJECT="Email Subject" \
# EMAILBODY="Email Body" \
# sendEmail "$@"
# GLOBAL Vars:
#   SMTPADDRESS
#   SMTPFROM
#   SMTPUSER
#   SMTPPASS
##################################################
sendEmail() {

    [ -z "${EMAILTO}" ] || [ -z "${EMAILSUBJECT}" ] || [ -z "${EMAILBODY}" ] && { echo -e "Required variable/s missing!\n";exit 1; }

    EMAILCONTENT="From: ${SMTPFROM}\nTo: ${EMAILTO}\nSubject: ${EMAILSUBJECT}\nDate: $(date -R)\n\n${EMAILBODY}"
    RCPTS=$(echo "${EMAILTO}" | tr ',' ' ')
    CMD="curl -v --ssl-reqd ${SMTPADDRESS} --mail-from  ${SMTPFROM} --user \"${SMTPUSER}:${SMTPPASS}\""

    # Generate "--mail-rcpt" for multiple recepients
    for RCPT in ${RCPTS};do
        CMD="${CMD} --mail-rcpt ${RCPT}"
    done

    CMD="${CMD} -T <(echo -e \"${EMAILCONTENT}\")"

    eval "${CMD}"
}