Deleting user - notification if they re-join

[zogstrip (Régis Hanol)]

Have a look at this topic

Configure webhooks that trigger on Discourse events to integrate with external services

A webhook is a way to notify external services about changes on the internet. It’s easier to setup, manage and develop than a Discourse plugin. Though, it does require you to program a little bit or understand its technical details. In this howto, I’ll set up webhook to power a Github bot for referencing pull request brought in a forum. We’ll want to see a new comment on Github pull request when a new post has a link to it. It’s a very simple process: Publish a new post. A webhook event happ…

You will need to build “the thing” that will receive the webhook payload and process it though.