[install postfix with mailgun] ubuntu

install-postfix-mailgun.sh

#!/usr/bin/env bash

sudo apt-get install mailutils
echo "inet_interfaces = loopback-only \
  relayhost = [smtp.mailgun.org]:587 \
  smtp_sasl_auth_enable = yes \
  smtp_sasl_password_maps = static:[email protected]:password \
  smtp_sasl_security_options = noanonymous" >> /etc/postfix/main.cf
sudo service postfix restart
echo "This is my email test message" | mail -s "My subject line" [email protected]
echo "postmaster: root \
  root: [email protected]" >> /etc/aliases