I followed the same instructions in this link but i still have the same problem. So, i created a new account in mailjet. When i start now ./discourse-doctor it tells me that the email has been sent. But i still recieve nothing in my email box.i also add a new DNS config for mailjet to allow adress with my domain to be able to send email but still nothing has been sent, even if it tells that email was sent.
PS: my spam is empty.