Custom email header applied to classified emails.
The email header name, e.g. X-Protective-Marking.
X-Protective-Marking
The email header value, e.g. VER=2025.1, NS=gov.au, SEC=OFFICIAL:Sensitive, ACCESS=Legal-Privilege.
VER=2025.1, NS=gov.au, SEC=OFFICIAL:Sensitive, ACCESS=Legal-Privilege
Custom email header applied to classified emails.