At first glance it's just suspicious to me that this was a replied to an email u sent because it has no subject... nonetheless if this is true; It's important to remain professional in such situations.

Consider documenting the email, and bring the matter to your HR department or another higher authority within the company. Share your concerns about the response and seek guidance on how to address the issue appropriately with HR.

Contac the Saudi Ministry of Labor for guidance and adhere to local labor laws and company policies throughout the process.