Hi @pol. It's hard to say for sure what's happening in your situation without knowing more. Please know
that this is not a support forum. If you need help with anything account specific, please contact our customer care team.
My guess would be that your domain's not using the right MX Records to work with your email account. If you're on our EU email servers, you'll want to make sure that your domain is using ONLY the following MX records:
Hope that helps. If not, feel free to provide more information. Others in the community may be able to provide you with additional suggestions.
JesseW - GoDaddy | Community Manager | 24/7 support available at x.co/247support | Remember to choose a solution and give kudos.