Problem is sloved! Thanks again for the help @martin. It was a problem with my main mail account. It was necessary to have a info@example.com and i ha...

@martin Thanks for your time! I going to do it directly. Keep yourself safe and healthy!

@Martin Thanks for your fast message!Ah, that is also not working i see. And i have check the funtion on in the Settings > 'Anyone can register' Ye...