Apple won't send you an email/text telling you your account is disabled or will be disabled. You will find out the next time you try to log in somewhere.
Send the e-mail to Apple as an attachment to a new e-mail before deleting it. You can forward as an attachment by going to Mail/Message/Forward as attachment. You won’t receive a response.
reportphishing@apple.com
You can also add 2 Factor Authentication to your account for more security. If the attempts continue, you might want to consider a name change.
Apple ID has been compromised
Note the restrictions in the article.
Apple ID Name Change
What to do after you change your Apple ID or password - Apple Support I suggest doing this before you change your Apple ID or password.
Apple ID -Two-factor authentication
Two Factor Authentification availability
Apple ID - Using app-specific passwords
Apple ID - Two Step Verification App Specific Passwords
Apple ID - Two Step Verifications FAQ