Python script to send emails to internationalized addresses rfc6531

utf-8_email_rfc6531.py

#!/usr/bin/env python3.5
#requires python 3.5
#testing rfc6531 
#coding: utf-8
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Header
from email import charset
from email.generator import Generator
import smtplib

# Example address data
from_address = ['Test UTF-8', '[email protected]']
recipient = ['Those #!@', 'utf8-email-addrees+é@gmail.com']
subject = '⌘Unicode test⌘'
# Example body
html = 'Unicode⏎\nTest⏎'
text = 'Unicode⏎\nTest⏎'
# Default encoding mode set to Quoted Printable. Acts globally!
charset.add_charset('utf-8', charset.QP, charset.QP, 'utf-8')

# 'alternative’ MIME type – HTML and plain text bundled in one e-mail message
msg = MIMEMultipart('alternative')
msg['Subject'] = "%s" % Header(subject, 'utf-8')
# Only descriptive part of recipient and sender shall be encoded, not the email address
msg['From'] = "\"%s\" <%s>" % (from_address[0], from_address[1])
msg['To'] = "\"%s\" <%s>" % (Header(recipient[0], 'utf-8'), recipient[1])

# Attach both parts
htmlpart = MIMEText(html, 'html', 'UTF-8')
textpart = MIMEText(text, 'plain', 'UTF-8')
msg.attach(htmlpart)
msg.attach(textpart)
s = smtplib.SMTP('smtpserver', 587)
s.set_debuglevel(2)
s.ehlo()
s.starttls()
s.ehlo()
s.login("user", "pass")
s.sendmail("", recipient[1], msg.as_string(),mail_options=['BODY=8BITMIME', 'SMTPUTF8']