import smtplib
from email.mime.text import MIMEText
from email.header import Header

# Настройки
mail_sender = 'mail@gmail.com'
mail_receiver = 'mail@gmail.com'
username = 'mail@gmail.com'
password = '123fuckypu'
server = smtplib.SMTP('smtp.gmail.com:587')

# Формируем тело письма
subject = u'Тестовый email от '
body = u'Отправка письма на Питтоне '
msg = MIMEText(body, 'plain', 'utf-8')
msg['Subject'] = Header(subject, 'utf-8')

# Отпавляем письмо
server.starttls()
server.ehlo()
server.login(username, password)
server.sendmail(mail_sender, mail_receiver, msg.as_string())
server.quit()

Traceback (most recent call last):


File "C:Usersf0stDesktoppost.py", line 21, in <module>
    server.login(username, password)
  File "C:Program FilesPython36libsmtplib.py", line 729, in login
    raise last_exception
  File "C:Program FilesPython36libsmtplib.py", line 720, in login
    initial_response_ok=initial_response_ok)
  File "C:Program FilesPython36libsmtplib.py", line 641, in auth
    raise SMTPAuthenticationError(code, resp)
    smtplib.SMTPAuthenticationError: (534, b'5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbvxn5.7.14 gfl4heOeAD4f_iQHRXx-gPwNRGalRzc6UXknyTR4xAiAWK5KENf-Q0gfE5811Z-SqRn7Rqn5.7.14 cukkiOrcc4Twik4nRwhlY5Gsh23mwu32lwuotv-WQAbGMDBlXIN7lIlf03wAwD4wQPyXNMn5.7.14 A3XnnjwqoBLpd7LA8kjQHm3widA29l-S5QTm9MT4pvhJ-vkB9T7U7vhMF_oWYuJgKSW_fPn5.7.14 87fJSF-abKA-ow3gruty4wTyATCdE> Please log in via your web browser andn5.7.14 then try again.n5.7.14  Learn more atn5.7.14  https://support.google.com/mail/answer/78754 u30sm8540501wru.88 - gsmtp')