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(Chilkat2-Python) IMAP Download and 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.
import sys import chilkat2 success = False # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. imap = chilkat2.Imap() # Connect to an IMAP server. # Use TLS imap.Ssl = True imap.Port = 993 success = imap.Connect("imap.example.com") if (success == False): print(imap.LastErrorText) sys.exit() success = imap.Login("myLogin","myPassword") if (success == False): print(imap.LastErrorText) sys.exit() # Select an IMAP mailbox success = imap.SelectMailbox("Inbox") if (success == False): print(imap.LastErrorText) sys.exit() # We can choose to fetch UIDs or sequence numbers. fetchUids = True # Get the message IDs of all the emails in the mailbox messageSet = chilkat2.MessageSet() success = imap.QueryMbx("ALL",fetchUids,messageSet) if (success == False): print(imap.LastErrorText) sys.exit() email = chilkat2.Email() cert = chilkat2.Cert() i = 0 while i < messageSet.Count : uid = messageSet.GetId(i) print("uid: " + uid) success = imap.FetchEmail(False,uid,True,email) if (success == False): print(imap.LastErrorText) sys.exit() # 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): print("This email was signed.") # Check to see if the signatures were verified. if (email.SignaturesValid == True): print("Digital signature(s) verified.") print("Signer: " + email.SignedBy) # Get the certificate used for signing. success = email.LastSignerCert(0,cert) if (success == False): print("Failed to get signing certificate object.") else: print("Signing cert: " + cert.SubjectCN) else: print("Digital signature verification failed.") i = i + 1 # Disconnect from the IMAP server. success = imap.Disconnect() |
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