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(Xojo Plugin) 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.
Dim success As Boolean success = False // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Dim mailman As New Chilkat.MailMan // Set the POP3 server's hostname mailman.MailHost = "pop.example.com" // Set the POP3 login/password. mailman.PopUsername = "myLogin" mailman.PopPassword = "myPassword" Dim stUidls As New Chilkat.StringTable success = mailman.FetchUidls(stUidls) If (success = False) Then System.DebugLog(mailman.LastErrorText) Return End If Dim email As New Chilkat.Email Dim cert As New Chilkat.Cert Dim count As Int32 count = stUidls.Count Dim i As Int32 i = 0 While i < count // Download the full email. success = mailman.FetchByUidl(stUidls.StringAt(i),False,0,email) If (success = False) Then System.DebugLog(mailman.LastErrorText) Return End If System.DebugLog(Str(i)) System.DebugLog("From: " + email.From) System.DebugLog("Subject: " + email.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 (email.ReceivedSigned = True) Then System.DebugLog("This email was signed.") // Check to see if the signatures were verified. If (email.SignaturesValid = True) Then System.DebugLog("Digital signature(s) verified.") System.DebugLog("Signer: " + email.SignedBy) success = email.LastSignerCert(0,cert) If (success = False) Then System.DebugLog(email.LastErrorText) Return End If System.DebugLog("Signing cert: " + cert.SubjectCN) End If Else System.DebugLog("Digital signature verification failed.") End If i = i + 1 Wend success = mailman.Pop3EndSession() |
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