Verify Email Addresses with VerifyRecipients

Verify email recipients. This example demonstrates the usage of the VerifyRecipients method.

Please see this blog post for more information VerifyRecipients -- Validating Email Addresses

Download Chilkat Python Library

import sys
import chilkat

#  The mailman object is used for sending and receiving email.
mailman = chilkat.CkMailMan()

#  Any string argument automatically begins the 30-day trial.
success = mailman.UnlockComponent("30-day trial")
if (success != True):
    print "Component unlock failed"
    sys.exit()

#  Set the SMTP server.
#  This code was tested against both mail.chilkatsoft.com
#  and smtp.comcast.net

#  mailman.SmtpHost = "mail.chilkatsoft.com";
#  mailman.SmtpUsername = "admin@chilkatsoft.com";
#  mailman.SmtpPassword = "****";

mailman.put_SmtpHost("smtp.comcast.net")

#  Create an email object.
#  We'll never actually send this email.  It's only used
#  to test the recipients.
email = chilkat.CkEmail()

email.put_Subject("This is a test")
email.put_Body("This is a test")
email.put_From("Chilkat Support <support@chilkatsoft.com>")

#  Add recipients to be checked.
#  (When this was tested, a_real_person was replaced with
#  a valid email address.)
email.AddTo("A Real Person","a_real_person@comcast.net")
email.AddTo("Testing","doesNotExist7434@comcast.net")
email.AddTo("Admin","admin@chilkatsoft.com")
email.AddTo("Not Exist","doesNotExist@chilkatsoft.com")
email.AddCC("Not Exist","DoesNotExist7213@gmail.com")
email.AddBcc("Exists","chilkat.support@gmail.com")

#  NOTE: A mail server can only verify the email addresses
#  specific to it's domain.  Therefore, when using smtp.comcast.net,
#  only comcast.net email addresses will be flagged as invalid,
#  and when using mail.chilkatsoft.com, only chilkatsoft.com
#  email addresses are flagged as invalid.

#  Add all bad email addresses to saBadAddrs:
saBadAddrs = chilkat.CkStringArray()
success = mailman.VerifyRecipients(email,saBadAddrs)
if (success != True):
    print mailman.lastErrorText()

else:
    #  List the invalid email addresses:
    if (saBadAddrs.get_Count() > 0):

        n = saBadAddrs.get_Count()
        for i in range(0,n):
            print saBadAddrs.getString(i)

        #  Examine the SMTP session log to see how the email
        #  addresses were caught:
        print mailman.smtpSessionLog()