https://meta.discourse.org/t/cannot-get-email-to-send-using-zoho-mail/45554/4?tl=en
Cannot get Email to send using Zoho mail - #4 by watchmanmonitor - Self-hosting - Discourse Meta
Jun 11, 2016 - So just setup Discourse on a DigitalOcean droplet (1gb ram). Using Zoho for the mail system. I have the SMTP set in the app.yml: TODO: The SMTP mail server...