Postfix Cheatsheet
Updated As of 7/23/18 I'm still working on my own systems and postfix isn't easy to handle. So this article will go through multiple changes in the next year. Hopefully I will have a little more personal experience to add. -https://help.ubuntu.com/lts/serverguide/postfix.html - http://www.postfix.org/postconf.1.html -https://wiki.archlinux.org/index.php/S-nail -http://manpages.ubuntu.com/manpages/xenial/man1/s-nail.1.html -https://serverfault.com/questions/669847/how-to-disable-sslv3-in-postfix-2-11 -https://community.nodemailer.com/ https://serverfault.com/questions/632213/postfix-cannot-authenticate-against-sasl https://serverfault.com/questions/856054/postfix-authentication-not-working-from-nodemailer http://postfix.state-of-mind.de/patrick.koetter/smtpauth/postfix_configuration.html https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-on-ubuntu-16-04 -https://stackoverflow.com/questions/33792811/node-js-nodemailer-smtptransp