from __future__ import print_function from twisted.mail.smtp import sendmail from twisted.internet.task import react from email.mime.text import MIMEText def main(reactor): me = "alice@gmail.com" to = ["bob@gmail.com", "charlie@gmail.com"] message = MIMEText("This is my super awesome email, sent with Twisted!") message["Subject"] = "Twisted is great!" message["From"] = me message["To"] = ", ".join(to) d = sendmail("smtp.gmail.com", me, to, message, port=587, username=me, password="*********", requireAuthentication=True, requireTransportSecurity=True) d.addBoth(print) return d react(main)