Hello,
Using sgn As MapiMessage = New Email.SecureEmailManager().AttachSignature(msg, CmsSigner, New SignatureOptions With {.Detached = True})
sgn.Save(SaveTextBoxX.Text, ASPSaveSetOFT)
End Using
Here source msg can …...is generally not applied to Outlook items; it is typically used...standard messaging classes. In Outlook and Exchange, SMIME is commonly...