Is it possible to have multiple incoming email domains?

[denvergeeks]

Here’s my working recipe…

Configure direct-delivery incoming email for self-hosted sites with Mail-Receiver

On my dedicated server (running Ubuntu 22.04, with Postfix installed) I use a separate mail-receiver.yml paired to each instance of Discourse where I have enabled the mail-in posting feature. This setup creates a separate container for each instance of Discourse on my server (alongside the typical app container) which receives and processes the e-mails for its corresponding Discourse instance. Incoming emails for all of the Discourse forums on the server are received by Postfix through the sta…