smtplib.SMTPSenderRefused: (550, b'Submission must be authenticated', '[email protected]') python mailer code example

Example: email authentication python

import smtplib

server = smtplib.SMTP_SSL('smtp.gmail.com', 465)
server.login("your username", "your password")
server.sendmail(
  "[email protected]", 
  "[email protected]", 
  "this message is from python")
server.quit()