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(VBScript) 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 fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") 'Create a Unicode (utf-16) output text file. Set outFile = fso.CreateTextFile("output.txt", True, True) success = 0 ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set mailman = CreateObject("Chilkat.MailMan") ' Set the POP3 server's hostname mailman.MailHost = "pop.example.com" ' Set the POP3 login/password. mailman.PopUsername = "myLogin" mailman.PopPassword = "myPassword" set stUidls = CreateObject("Chilkat.StringTable") success = mailman.FetchUidls(stUidls) If (success = 0) Then outFile.WriteLine(mailman.LastErrorText) WScript.Quit End If set email = CreateObject("Chilkat.Email") set cert = CreateObject("Chilkat.Cert") count = stUidls.Count i = 0 Do While i < count ' Download the full email. success = mailman.FetchByUidl(stUidls.StringAt(i),0,0,email) If (success = 0) Then outFile.WriteLine(mailman.LastErrorText) WScript.Quit End If outFile.WriteLine(i) outFile.WriteLine("From: " & email.From) outFile.WriteLine("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 = 1) Then outFile.WriteLine("This email was signed.") ' Check to see if the signatures were verified. If (email.SignaturesValid = 1) Then outFile.WriteLine("Digital signature(s) verified.") outFile.WriteLine("Signer: " & email.SignedBy) success = email.LastSignerCert(0,cert) If (success = 0) Then outFile.WriteLine(email.LastErrorText) WScript.Quit End If outFile.WriteLine("Signing cert: " & cert.SubjectCN) End If Else outFile.WriteLine("Digital signature verification failed.") End If i = i + 1 Loop success = mailman.Pop3EndSession() outFile.Close |
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