FYI you were still getting the API key error when trying the built in SMTP maker probably because you didn't disable the mailjet plugin.
An emailer plugin always takes precedence.
@fernandog Yes it is possible. You only need to have a VPS and then follow their documentation depending on what OS you would use.
@fernandog, check out this link on the NodeBB docs.
Hey @fernandog, the shared link is returning a 404 error. Could you kindly update, please?
@mventures for Windows, the updated doc link is https://docs.nodebb.org/installing/os/windows/