Apple does not send emails regarding keeping your Apple ID active.
If you ever have any questions regarding your Apple ID please visit Apple Direct at...
https://appleid.apple.com/
This is Apple's official page regarding Apple ID's and if there is any issue with your account you will be able to address it there.
At no time should you click on any suspicious email links that ask you for personal information as Apple will never ask you for personal information via email.
If you have further concerns with the status of your Apple account, you can contact Apple Support direct and ask them!
https://support.apple.com/contact
Hope this helps.