My cloud don’t work or active

Add an email account to your iPhone, iPad, or iPod touch - "There are two ways you can set up an email account in the Mail app on your iOS device—automatically or manually. Learn which option is best for you."

Add an email account - Apple Support

Choose the correct email service provider when you add an account to Mail

Choose the correct email service provider when you add an account to Mail - Apple Support

When you add an email account to Mail on iOS, iPadOS, or macOS, you have the option to choose from a list of external email service providers. Read the article for a list of which one to use.

It helps to be more specific about the problems you are encountering instead of simply saying you can't sign in. What happens when you try? If you see an error message, what is it?

Refer to this document for ways to contact Apple ➞ Choose your country or region - Official Apple Support

Select your country (also look for "other" regions), then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service by telephone ➞ Contact Apple for support and service - Apple Support