Use this SR to request for the user's work email address if you notice they provided their personal email address. 

Note: Do NOT forget to change [CLIENT] to the correct client name, twice.

Thank you for contacting Office of Disaster Assistance End-User Support. 

For security reasons, we are only allowed to send login credentials or information to [CLIENT] Email Addresses. For us to assist you further, do you have access to your [CLIENT] Email Address? If so, can you provide it to us please? 

We look forward to your response. 

Thank you in advance!