Example Email setup of Mobilizon

I have installed Mobilizon for a while now and I have not been able to send emails to new accounts. I am very unsure about how to go about it and I have tried all different parameters, using outlook.com emails and Mailjet and still, my instance does not send any email. I do not really want to give up.

What I request is:

Could you please do a step-by-step guide with pictures that shows how to setup Mobilizon so that it sends emails. I do not care about where they come from - Google, Microsoft, anything is better than not being able to create accounts.

I do not know how to debug my setup either.

My Instance: https://events.foss.wales