import smtplib
fromaddr = '[email protected]'
toaddr = '[email protected]'
msg = "\r\n".join([
    "From: [email protected]",
    "To: [email protected]",
    "Subject: Just a message",
    "",
    'Why, oh why?'
    ])

username = '[email protected]'
pwd = 'mypassword'
server = smtplib.SMTP('smtp.gmail.com:587')
server.ehlo()
server.starttls()
server.login(username, pwd)
server.sendmail(fromaddr, toaddrs, msg)
server.quit()