s = smtplib.SMTP(email_user, 587)
s.starttls()
s.login(email_user, pasword)
message = 'Hi There, sending this email from python'
s.sendmail(email_user, email_user, message)
s.quit()

for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11003] getaddrinfo failed