My problem is that I can’t figure out how to set up email hosting for email@example.com. My domain name is hosted at namecheap, and I created an A record for the discourse subdomain to Digital Ocean, but I’m not sure how to point the email DNS for my subdomain to a different IP address using namecheap DNS settings.
Thank you @Stephen! I did add an MX record pointing the discourse subdomain to my hosting account at Cloudways, but when I tried to create the email address using their rackspace addon it says “(!) discourse.mydomain.com already exists as a domain or alternate domain” and does not allow me to create the email address.
Edit: realizing now that I only updated one of the DNS records required by Rackspace, and not the MX records. I’ll try this again.
Edit2: I updated the 2 MX records and the TXT record from these instructions Set up DNS records for Cloud Office email - and am still getting the same error.