How do I change the message content in the notification to followers when changes are made to topics (i.e. comments, replies and updates)?
My goal is to remove the link to the post/comment. In other words, I just want notification of a post on a topic, and not the link to the topic itself.
That's going to be addressed in the next release, which is due shortly. You'll be able to filter the message if required.
You can filter the notification emails for users following boards by following these articles: