It's nice to send your customers or clients a message to say "Happy holidays".
Subject Line: Happy Holidays!
Dear [Title and Name of Recipient],
On behalf of [Company Name], I wish to take this opportunity to wich you a wonderful holiday season.
We continue to appreciate your business with us, and we wish you good health and prosperity for the coming year!
Thank you for trusting [Company Name].
Warm regards,
[Full Name]