new_contents: #! /usr/bin/env python
  # -*- coding: UTF-8 -*-
  import smtplib
  from email.mime.text import MIMEText
  mailto_list=['294770971@qq.com']           #收件人(列表)
  mail_host="smtp.163.com"            #使用的邮箱的smtp服务器地址，这里是163的smtp地址
  mail_user="wst584412572"                           #用户名
  mail_pass="wst1987"                             #密码
  mail_postfix="163.com"                     #邮箱的后缀，网易就是163.com
  def send_mail(to_list,sub,content):
      me="hello"+"<"+mail_user+"@"+mail_postfix+">"
      msg = MIMEText(content,_subtype='plain')
      msg['Subject'] = sub
      msg['From'] = me
      msg['To'] = ";".join(to_list)                #将收件人列表以‘；’分隔
      try:
          server = smtplib.SMTP()
          server.connect(mail_host)                            #连接服务器
          server.login(mail_user,mail_pass)               #登录操作
          server.sendmail(me, to_list, msg.as_string())
          server.close()
          return True
      except Exception as e:
          print (str(e))
          return False
  for i in range(1):                             #发送1封，上面的列表是几个人，这个就填几
      if send_mail(mailto_list,"电话","电话是XXX"):  #邮件主题和邮件内容
          #这是最好写点中文，如果随便写，可能会被网易当做垃圾邮件退信
          print ("done!")
      else:
          print ("failed!")
  
subject: add sendmail.py