Chilkat2-Python

SMTP Login Secure

Demonstrates how to set the SMTP password using a secure string.

This example requires Chilkat v9.5.0.71 or greater.

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()

# Imagine we've previously saved our encrypted login and password within a JSON config file
# that contains this:

# {
#   "smtp_login": "D7lnlWY291LKMeChlvQq7N/Tg7ieuSB15a+9Ekyd0R4=",
#   "smtp_password": "5neIq9Jmn0E3p71N6Yc8TA=="
# }

json = chilkat2.JsonObject()
json.LoadFile("qa_data/passwords/smtp.json")

crypt = chilkat2.Crypt2()

# These are the encryption settings we previously used to encrypt the credentials within the JSON config file.
crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "cbc"
crypt.KeyLength = 128
crypt.SetEncodedKey("000102030405060708090A0B0C0D0E0F","hex")
crypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex")
crypt.EncodingMode = "base64"

ssLogin = chilkat2.SecureString()
ssPassword = chilkat2.SecureString()

# Decrypt to the secure string.  (the strings will still held in memory encrypted, but are now encrypted using
# a randomly generated session key.)
crypt.DecryptSecureENC(json.StringOf("smtp_login"),ssLogin)
crypt.DecryptSecureENC(json.StringOf("smtp_password"),ssPassword)

# Set the SMTP domain, login, and password
mailman.SmtpHost = "smtp.gmail.com"
mailman.SmtpSsl = True
mailman.SmtpPort = 465

mailman.SmtpUsername = ssLogin.Access()
# Set the SmtpPassword property via the SetPassword method using the secure string.
mailman.SetPassword("smtp",ssPassword)

# Connect and authenticate..
success = mailman.SmtpConnect()
if (success != True):
    print(mailman.LastErrorText)
    sys.exit()

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

print("SMTP login successful.")

# ...

mailman.CloseSmtpConnection()