SMTPAuthenticationError - I don't receive mail from mailgun to setup the admin account

Ah yes, I understand the dilemma, but I’ve found the exercise quite rewarding down the road and on the other hand it’s very difficult if not impossible to follow every customization done in these 1’click installs so support is very difficult.
But you can try to see what’s wrong with the shell commands above in a terminal and find out what is missing from the host system.