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(CkPython) Bounced Email HandlingDemonstrates how to examine emails and detect which are bounced (automated) replies. Classifies each email according to the type of bounce.
import sys import chilkat # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. bounce = chilkat.CkBounce() # The mailman object is used for receiving (POP3) # and sending (SMTP) email. mailman = chilkat.CkMailMan() # Set the POP3 server's hostname mailman.put_MailHost("mail.chilkatsoft.com") # Set the POP3 login/password. mailman.put_PopUsername("myLogin") mailman.put_PopPassword("myPassword") # Copy the all email from the user's POP3 mailbox # into a bundle object. The email remains on the server. # (There are other methods for deleting email from a POP3 server.) # bundle is a CkEmailBundle bundle = mailman.CopyMail() if (mailman.get_LastMethodSuccess() == False): print(mailman.lastErrorText()) sys.exit() i = 0 while i < bundle.get_MessageCount() : # email is a CkEmail email = bundle.GetEmail(i) success = bounce.ExamineEmail(email) if (success == False): print(bounce.lastErrorText()) sys.exit() if (bounce.get_BounceType() == 1): # Hard bounce, log the email address print("Hard Bounce: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 2): # Soft bounce, log the email address print("Soft Bounce: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 3): # General bounce, no email address available. print("General Bounce: No email address") if (bounce.get_BounceType() == 4): # General bounce, log the email address print("General Bounce: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 5): # Mail blocked, log the email address # A bounce occured because the sender was blocked. print("Mail Blocked: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 6): # Auto-reply, log the email address print("Auto-Reply: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 7): # Transient (recoverable) Failure, log the email address print("Transient Failure: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 8): # Subscribe request, log the email address print("Subscribe Request: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 9): # Unsubscribe Request, log the email address print("Unsubscribe Request: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 10): # Virus Notification, log the email address print("Virus Notification: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 11): # Suspected bounce. # This should be rare. It indicates that the Bounce # component found strong evidence that this is a bounced # email, but couldn't quite recognize everything it # needed to be 100% sure. Feel free to notify # support@chilkatsoft.com regarding emails having this # bounce type. print("Suspected Bounce!") if (bounce.get_BounceType() == 12): # Challenge/Response - Auto-reply message sent by SPAM software # where only verified email addresses are accepted. print("Challenge: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 13): # Address Change Notification Message. print("Address Change: " + bounce.bounceAddress()) if (bounce.get_BounceType() == 14): # Success DSN indicating that the message was successfully relayed. print("DSN Successful Relay: ") i = i + 1 success = mailman.Pop3EndSession() |
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