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Chilkat2-Python

Office365 POP3 Login with OAuth2 Authentication

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Demonstrates how to authenticate using OAuth2 using the POP3 protocol with outlook.office365.com.

Note: This example requires Chilkat v9.5.0.83 or greater.

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Chilkat2-Python
import sys
import chilkat2

success = False

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

mailman = chilkat2.MailMan()

mailman.MailHost = "outlook.office365.com"
mailman.MailPort = 995
mailman.PopSsl = True

# Use your O365 email address here.
mailman.PopUsername = "OFFICE365_EMAIL_ADDRESS"

# When using OAuth2 authentication, leave the password empty.
mailman.PopPassword = ""

# Load our previously obtained OAuth2 access token.
jsonToken = chilkat2.JsonObject()
success = jsonToken.LoadFile("qa_data/tokens/office365.json")
if (success == False):
    print(jsonToken.LastErrorText)
    sys.exit()

mailman.OAuth2AccessToken = jsonToken.StringOf("access_token")

# Make the TLS connection to the outlook.office365.com POP3 server.
success = mailman.Pop3Connect()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

# Authenticate using XOAUTH2
success = mailman.Pop3Authenticate()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

# Find out how many emails are on the server..
numEmails = mailman.CheckMail()
if (numEmails < 0):
    print(mailman.LastErrorText)
    sys.exit()

# Examine the POP3 session log:
print(mailman.Pop3SessionLog)

# The POP3 session log will look something like this:

# **** Connected to outlook.office365.com:995
# < +OK The Microsoft Exchange POP3 service is ready. [QwBIADIAUABSADEAOABD...YwBvAG0A]
# > AUTH XOAUTH2
# < + 
# > <base64 string in XOAUTH2 format>
# < +OK User successfully authenticated.
# > STAT
# < +OK 3 375302

# End the POP3 session and close the connection to the GMail server.
success = mailman.Pop3EndSession()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

print("Finished.")