- Source: http://www.developerfiles.com/how-to-send-emails-from-localhost-mac-os-x-el-capitan/
- Source: http://budiirawan.com/install-mail-server-mac-osx/
- Source: https://apple.stackexchange.com/questions/32228/whats-the-correctly-way-to-make-postfix-run-permanently-on-lion-not-server
sudo vi /etc/postfix/main.cf- Ensure that the following values are set: