Delete the digital signature from a received Outlook message

Question

My goal is to delete the digital signature in an Outlook message. My initial idea was to create a VBA script (which I have done below) to enumerate all attachments in the selected mail item and remove the digital signature attachment when it is encountered.

Unfortunately, the digital signature is not showing up as one of the message's attachments. Maybe I am confused... I thought that digital signatures were actually attachments.

Public Sub DeleteDigitalSignatureAttachment()
    Dim olkMsg As MailItem
    Select Case TypeName(Application.ActiveWindow)
        Case "Explorer"
            Set olkMsg = Application.ActiveExplorer.Selection(1)
        Case "Inspector"
            Set olkMsg = Application.ActiveInspector.CurrentItem
    End Select
    If olkMsg.Attachments.Count > 0 Then
        Dim s As String
        For i = 1 To olkMsg.Attachments.Count
            s = s & olkMsg.Attachments.Item(i).FileName & ", "
            'olkMsg.Attachments.Remove (i)
        Next i
        MsgBox (s)
    End If
End Sub

Note that in the above code, I already considered that I could be "skipping" the digital signature by having my "For loop" begin at index 1 instead of 0. However, it needs to be this way because trying to access .Attachments.Item(0) results in an out-of-bounds error.

Answer 1

You should be able to force outlook to view the mail as plain text per relevant KB. Check there for the setting location and note this part -

In the case where digital signatures are used, Outlook must display the e-mail message in the original format that is specified by the sender, or you must turn on the Read all digitally signed mail in plain text option. To turn on the Read all digitally signed mail in plain text option, click to select the Read all digitally signed mail in plain text check box under the Read all standard mail in plain text option.