Bootstrapping email setup: subdomain necessary?

Installation
1

Hi there! I’m a complete novice at sysadmin stuff. I had a question about the following quote from the Bootstrapping tutorial:

Please note that in any email provider, you must verify and use the subdomain, e.g. discourse.example.com . If you verify the domain only, e.g. example.com , mail will not be configured correctly.

Does this apply even if, in Digitalocean, you’re using a domain (example.com) for your droplet, and not a subdomain? Thank you

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2

A subdomain isn’t necessary as long as your mail domain and Discourse domain are the same.

E.g. if you’re hosting Discourse on example.com and your mail server sends from noreply@example.com there shouldn’t be any issue.

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