Hello,
If we use this overload:
AttachSignature(MapiMessage, X509Certificate2, SignatureOptions)
To avoid loading certificate into the cms signer, how to set:
CmsSigner > DigestAlgorithm IncludeOption and SignedAtt…...a copy of the specified MailMessage and adds a digital signature...signature to the MapiMessage or MailMessage as needed. Example (Manual...