(AutoIt) POP3 Verify Signed (S/MIME) Email

Demonstrates how to download and verify digitally signed S/MIME email.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

; This example requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.

$oMailman = ObjCreate("Chilkat.MailMan")
Local $bSuccess

; Set the POP3 server's hostname
$oMailman.MailHost = "pop.someMailServer.com"

; Set the POP3 login/password.
$oMailman.PopUsername = "myLogin"
$oMailman.PopPassword = "myPassword"

Local $oSa = $oMailman.GetUidls()
If ($oMailman.LastMethodSuccess = False) Then
    ConsoleWrite($oMailman.LastErrorText & @CRLF)
    Exit
EndIf

Local $oEmail
Local $sUidl

Local $i = 0
While $i < $oSa.Count

    $sUidl = $oSa.GetString($i)

    $oEmail = $oMailman.FetchEmail($sUidl)
    If ($oMailman.LastMethodSuccess = False) Then
        ConsoleWrite($oMailman.LastErrorText & @CRLF)

        Exit
    EndIf

    ConsoleWrite($oEmail.From & @CRLF)
    ConsoleWrite($oEmail.Subject & @CRLF)

    ; The security layers of signed and/or encrypted emails
    ; are automatically "unwrapped" when loaded into
    ; a Chilkat email object.
    ; An application only needs to check to see if an email
    ; was received signed or encrypted, and then examine
    ; the success/failure.  For example:
    If ($oEmail.ReceivedSigned = True) Then

        ConsoleWrite("This email was signed." & @CRLF)

        ; Check to see if the signatures were verified.
        If ($oEmail.SignaturesValid = True) Then
            ConsoleWrite("Digital signature(s) verified." & @CRLF)
            ConsoleWrite("Signer: " & $oEmail.SignedBy & @CRLF)

            ; The certificate used for signing may be obtained
            ; by calling email.GetSignedByCert.
Local $oCert
            $oCert = $oEmail.GetSignedByCert()
            If ($oEmail.LastMethodSuccess = False) Then
                ConsoleWrite("Failed to get signing certificate object." & @CRLF)
            Else
                ConsoleWrite("Signing cert: " & $oCert.SubjectCN & @CRLF)

            EndIf

        Else
            ConsoleWrite("Digital signature verification failed." & @CRLF)
        EndIf

    EndIf

    $i = $i + 1
Wend

$oMailman.Pop3EndSession()