import smtplib
from email.mime.text import MIMEText

# 第三方 SMTP 服務
mail_host = "smtp.163.com"  # SMTP伺服器
mail_user = "username"  # 使用者名稱
mail_pass = "passwd"  # 密碼

sender = '[email protected]'  # 發件人郵箱(最好寫全, 不然會失敗)
receivers = ['[email protected]']  # 接收郵件，可設定為你的QQ郵箱或者其他郵箱


content = '過期教程害死人!'
title = 'Python SMTP Mail Test'  # 郵件主題
message = MIMEText(content, 'plain', 'utf-8')  # 內容, 格式, 編碼
message['From'] = "{}".format(sender)
message['To'] = ",".join(receivers)
message['Subject'] = title

try:
    smtpObj = smtplib.SMTP_SSL(mail_host, 465)  # 啟用SSL發信, 埠一般是465
    smtpObj.login(mail_user, mail_pass)  # 登入驗證
    smtpObj.sendmail(sender, receivers, message.as_string())  # 傳送
    print("mail has been send successfully.")
except smtplib.SMTPException as e:
    print(e)