Restrict access to view email content in SOST for all users of sent history except sender

Hello Experts

I have one query on SOST , One my Payroll user sending Employee Pay slips to email by using SOST T-Code

This t-code was authorized for few users also , after sending the payslip who have this sost t-code users are

also able to view the sender history of Payroll users history . how to restrict all users to view the payroll user

sender history except his own history is there any authorization objects to restrict to this , any other ways

to restrict to view others senders history

Please share your experience

Best Regards,

Narasimha