Respected _________,
This is to inform you that I am ____________ (Name) and I am having a ________ (name of credit card) credit card with your bank-bearing credit card number ____________ (credit card number).
I am writing this email to inquire about the rewards program that is initiated by your bank on credit cards. I got to know about the same through ____________ (mail/ message/ website/ any other). I shall be obliged if you could help me by explaining the said program.
In this regard, I shall be highly obliged for your quick response.
Regards,
[Digital Signature – if applicable]
____________ (Signature)
____________ (Name),
____________ (Contact details)