ExOConfig/Rules/X-SM-decrypted-header-cleaning.json

{
    "Name" : "[SEPPmail] - Clean outbound SEPPmail header decrypted",
    "Comments" : "Removes decrypted SEPPmail x-headers from E-Mail.",
    "FromScope" : "InOrganization",
    "SentToScope" : "NotInOrganization",
    "RemoveHeader" : "X-SM-decrypted",
    "Priority" : 0,
    "SetAuditSeverity" : "DoNotAudit",
    "Mode" : "Enforce",
    "SenderAddressLocation" : "Header",
    "Enabled" : true
}