Issue
having some web application I need to send emails using python. i want to send messages both content encrypted and signed with DKIM. I have no idea how to do this in python or using which library.
BTW i have my own smtp server using postfix.
Solution
Try this:
import smtplib, dkim, time, os
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
print('Content-Type: text/plain')
print('')
msg = MIMEMultipart('alternative')
msg['From'] = '"Ur Name" <name@urdomain.com>'
msg['To'] = 'test@gmail.com'
msg['Subject'] = ' Test Subject'
# Create the body of the message (a plain-text and an HTML version).
text = """\
Test email displayed as text only
"""
html = """\
<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
<head>
<title>Test DKIM/TLS Email</title>
</head>
<body>
HTML Body of Test DKIM
</body>
</html>
"""
# Record the MIME types of both parts - text/plain and text/html.
part1 = MIMEText(text, 'plain')
part2 = MIMEText(html, 'html')
msg.attach(part1)
msg.attach(part2)
# DKIM Private Key for example.com RSA-2048bit
privateKey = open(os.path.join( 'your_key.pem')).read()
# Specify headers in "byte" form
headers=[b'from', b'to', b'subject']
# Generate message signature
sig = dkim.sign(msg.as_string(), b'key1', b'urdomain.com', privateKey.encode(), include_headers=headers)
sig = sig.decode()
# Add the DKIM-Signature
msg['DKIM-Signature'] = sig[len("DKIM-Signature: "):]
# Send the message via local SMTP server.
s = smtplib.SMTP('localhost')
# sendmail function takes 3 arguments: sender's address, recipient's address
# and message to send - here it is sent as one string.
s.sendmail(msg['From'], msg['To'], msg.as_string())
s.quit()
you can read more here.
Answered By - chimia Answer Checked By - Candace Johnson (PHPFixing Volunteer)
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