Hey there!
I needed a way to integrate Listmonk with Discourse, so I took the liberty of adding Listmonk as an additional provider to the existing newsletter integration plugin.
I’ve kept the existing Mailchimp integration intact and added Listmonk alongside it.
I’m not planning to maintain this fork long-term, so it would be great if Listmonk support could eventually be integrated into the official plugin.
Here is the link to my repo: