PeterHarding: Created page with " =Some Info= From - http://stackoverflow.com/questions/2916396/smtp-through-exchange-using-integrated-windows-authentication-ntlm-using-pytho

 from smtplib import SMTPE..."

2016-05-21T00:29:59Z

Created page with " =Some Info= From - http://stackoverflow.com/questions/2916396/smtp-through-exchange-using-integrated-windows-authentication-ntlm-using-pytho <pre> from smtplib import SMTPE..."

New page

=Some Info=

From - http://stackoverflow.com/questions/2916396/smtp-through-exchange-using-integrated-windows-authentication-ntlm-using-pytho

<pre>
from smtplib import SMTPException, SMTPAuthenticationError
import string
import base64
import sspi

# NTLM Guide -- http://curl.haxx.se/rfc/ntlm.html

SMTP_EHLO_OKAY = 250
SMTP_AUTH_CHALLENGE = 334
SMTP_AUTH_OKAY = 235

def asbase64(msg):
return string.replace(base64.encodestring(msg), '\n', '')

def connect_to_exchange_as_current_user(smtp):
"""Example:
>>> import smtplib
>>> smtp = smtplib.SMTP("my.smtp.server")
>>> connect_to_exchange_as_current_user(smtp)
"""

# Send the SMTP EHLO command
code, response = smtp.ehlo()
if code != SMTP_EHLO_OKAY:
raise SMTPException("Server did not respond as expected to EHLO command")

sspiclient = sspi.ClientAuth('NTLM')

# Generate the NTLM Type 1 message
sec_buffer=None
err, sec_buffer = sspiclient.authorize(sec_buffer)
ntlm_message = asbase64(sec_buffer[0].Buffer)

# Send the NTLM Type 1 message -- Authentication Request
code, response = smtp.docmd("AUTH", "NTLM " + ntlm_message)

# Verify the NTLM Type 2 response -- Challenge Message
if code != SMTP_AUTH_CHALLENGE:
raise SMTPException("Server did not respond as expected to NTLM negotiate message")

# Generate the NTLM Type 3 message
err, sec_buffer = sspiclient.authorize(base64.decodestring(response))
ntlm_message = asbase64(sec_buffer[0].Buffer)

# Send the NTLM Type 3 message -- Response Message
code, response = smtp.docmd("", ntlm_message)
if code != SMTP_AUTH_OKAY:
raise SMTPAuthenticationError(code, response)
</pre>

Also looked promising:

* http://stackoverflow.com/questions/909658/windows-authentication-with-python-and-urllib2
* https://github.com/mullender/python-ntlm

[[Category:Python]]

Python - Using NTLM - Revision history

PeterHarding: Created page with " =Some Info= From - http://stackoverflow.com/questions/2916396/smtp-through-exchange-using-integrated-windows-authentication-ntlm-using-pytho
from smtplib import SMTPE..."