scripts/postfix-telnet at master · strycore/scripts · GitHub

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#!/usr/bin/python

import pexpect
import sys
import base64

email_to = None
email_from = None
login = None
password = None
hostname = None

telnet_session = pexpect.spawn('telnet ' + hostname + ' 25')
telnet_session.logfile_read = sys.stdout
telnet_session.logfile = sys.stdout
connect = telnet_session.expect('220')
telnet_session.sendline ('ehlo ' + hostname)
telnet_session.expect(['250'])
telnet_session.sendline('auth login')
telnet_session.expect('VXNlcm5hbWU6', timeout=2)
telnet_session.sendline(base64.b64encode(login))
telnet_session.expect('UGFzc3dvcmQ6', timeout=2)
telnet_session.sendline(base64.b64encode(password))
index = telnet_session.expect(['succe', 'authentication failure'], timeout=5)
if index == 0:
    print "auth ok"
else:
    print "auth failed with index ", index
telnet_session.sendline("MAIL FROM:<" + email_from + ">")
telnet_session.expect(['Ok', 'ok'])
telnet_session.sendline('RCPT TO:<' + email_to + '>')
index = telnet_session.expect(['Ok', 'ok', 'address rejected'])
telnet_session.sendline('DATA')
#telnet_session.sendline('Subject: Telnet test')
telnet_session.sendline('This message was sent by telnet')
telnet_session.sendline('kthxbye')
telnet_session.sendline('.')
if index == 0 or index == 1:
    print "SUCCESS"
elif index == 2:
    print "FAIL"
else:
    print 'unknown error'
telnet_session.sendline('QUIT')