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(Visual FoxPro) POP3 Verify Signed (S/MIME) EmailDemonstrates how to download and verify digitally signed S/MIME email. Note: This example requires Chilkat v11.0.0 or greater.
LOCAL lnSuccess LOCAL loMailman LOCAL loStUidls LOCAL loEmail LOCAL loCert LOCAL lnCount LOCAL i lnSuccess = 0 * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. loMailman = CreateObject('Chilkat.MailMan') * Set the POP3 server's hostname loMailman.MailHost = "pop.example.com" * Set the POP3 login/password. loMailman.PopUsername = "myLogin" loMailman.PopPassword = "myPassword" loStUidls = CreateObject('Chilkat.StringTable') lnSuccess = loMailman.FetchUidls(loStUidls) IF (lnSuccess = 0) THEN ? loMailman.LastErrorText RELEASE loMailman RELEASE loStUidls CANCEL ENDIF loEmail = CreateObject('Chilkat.Email') loCert = CreateObject('Chilkat.Cert') lnCount = loStUidls.Count i = 0 DO WHILE i < lnCount * Download the full email. lnSuccess = loMailman.FetchByUidl(loStUidls.StringAt(i),0,0,loEmail) IF (lnSuccess = 0) THEN ? loMailman.LastErrorText RELEASE loMailman RELEASE loStUidls RELEASE loEmail RELEASE loCert CANCEL ENDIF ? STR(i) ? "From: " + loEmail.From ? "Subject: " + loEmail.Subject * 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 (loEmail.ReceivedSigned = 1) THEN ? "This email was signed." * Check to see if the signatures were verified. IF (loEmail.SignaturesValid = 1) THEN ? "Digital signature(s) verified." ? "Signer: " + loEmail.SignedBy lnSuccess = loEmail.LastSignerCert(0,loCert) IF (lnSuccess = 0) THEN ? loEmail.LastErrorText RELEASE loMailman RELEASE loStUidls RELEASE loEmail RELEASE loCert CANCEL ENDIF ? "Signing cert: " + loCert.SubjectCN ENDIF ELSE ? "Digital signature verification failed." ENDIF i = i + 1 ENDDO loMailman.Pop3EndSession() RELEASE loMailman RELEASE loStUidls RELEASE loEmail RELEASE loCert |
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