(Chilkat2-Python) SMTP XOAUTH2 Authentication

Demonstrates how to authenticate using an OAuth2 access token. This example assumes you have already obtained the access token and now wish to use it in an SMTP session.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS

import sys
import chilkat2

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

oauth2_access_token = "some_previously_obtained_token"

mailman = chilkat2.MailMan()

# Set the properties for the SMTP server, whatever they may be..
mailman.SmtpHost = "smtp.example.com"
mailman.SmtpPort = 587
mailman.StartTLS = True

mailman.SmtpUsername = "myLogin"
mailman.OAuth2AccessToken = oauth2_access_token

# Create a new email object
email = chilkat2.Email()

email.Subject = "This is a test"
email.Body = "This is a test"
email.From = "Joe Example <joe@example.com>"
email.AddTo("Chilkat Admin","admin@chilkatsoft.com")

# Connect to the server indicated by the SmtpHost property
success = mailman.SmtpConnect()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

# Authenticate using XOAUTH2 (using the OAuth2AccessToken)
success = mailman.SmtpAuthenticate()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

success = mailman.SendEmail(email)
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

print("Email sent.")

mailman.CloseSmtpConnection()