Python smtplib demo

from email.mime.text import MIMEText
from smtplib import SMTP_SSL


def main():
    sender = 'sender@yandex.com'
    receiver = ['receiver@163.com']
    message = MIMEText('Send an email via Python3')
    message['From'] = sender
    message['To'] = ', '.join(receiver)
    message['Subject'] = 'Email Demo'
    server = SMTP_SSL('smtp.yandex.com.tr', 465)
    server.login(sender, 'xxx')
    server.sendmail(sender, receiver, message.as_string())
    print('Complete')
    server.quit()


if __name__ == '__main__':
    main()

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


def main():
    sender = 'sender@yandex.com'
    receiver = ['receiver@163.com']
    message = MIMEText('Send an email via Python3', 'plain')
    message['From'] = Header(sender)
    message['To'] = Header(', '.join(receiver))
    message['Subject'] = Header('Email Demo')
    smtper = SMTP_SSL('smtp.yandex.com.tr', 465)
    smtper.login(sender, 'xxx')
    smtper.sendmail(sender, receiver, message.as_string())
    print('Complete')
    smtper.quit()


if __name__ == '__main__':
    main()