https://www.rosehosting.com/blog/how-to-install-and-setup-discourse-on-an-ubuntu-12-04-vps/
https://mandrill.zendesk.com/hc/en-us/articles/205582187-Can-I-configure-Postfix-to-send-through-Mandrill-
https www rosehosting com blog how to install…
https://www.rosehosting.com/blog/how-to-install-and-setup-discourse-on-an-ubuntu-12-04-vps/
https://mandrill.zendesk.com/hc/en-us/articles/205582187-Can-I-configure-Postfix-to-send-through-Mandrill-