from __future__ import print_function from twisted.mail.smtp import sendmail from twisted.internet.task import react def main(reactor): d = sendmail("smtp.gmail.com", "alice@gmail.com", ["bob@gmail.com", "charlie@gmail.com"], "This is my super awesome email, sent with Twisted!", port=587, username="alice@gmail.com", password="*********") d.addBoth(print) return d react(main)