No worries. Discourse.org has an FAQ for new users you can look through:
Alternatively, you can also start a conversation with @discobot on the website to get a guided tour of many Discourse features. See more about Discobot.
I opened the source text of your post and it looks like your email client is embedding a mix of hidden HTML in your posts. Do you have an option to send plaintext emails? That might fix the issue.
For questions about using Discourse, I think this is a good place to ask questions about using Discourse, or if there are things we can do to improve the experience of using this forum. I split your previous post on the intro thread into a new post, so others might be able to add their own tips or advice without cluttering the intro thread.
No worries. Thanks for your patience in learning a new tool. Let us know if there is anything we can do to improve accessibility. P.S. – There is an option to set up email addresses for posts in specific categories (e.g. Events & Meetups, Projects, Opportunity Board, etc.). I could work on this for all of the category forums if it would be helpful to others.