Which of the following is the best response?

You receive the following mail from the IT support team: Dear User, Starting next week, we will be deleting all inactive email accounts in order to create spaceshare the below details in order to continue using your account.

In case of no response,

Name:

Email ID:

Password:

DOB:

Kindly contact the webmail team for any further support. Thanks for your attention.

Which of the following is the best response?
A . Ignore the email
B . Respond it by saying that one should not share the password with anyone
C . One should not respond to these mails and report such email to your supervisor