How to check whether SF sender information is hidden?

This situation can be inquired by SF customer service.

When handling customer information, SF will strictly abide by relevant laws, regulations and privacy policies to ensure the security and confidentiality of customer information. Customers who need to inquire about the hidden sender information can apply through SF customer service, and the customer service staff will verify the customer's identity and assist in the inquiry.

It can guarantee customers' privacy and information security and provide customers with more convenient services.