# send_mail.py
#coding:utf-8
import smtplib
from email.mime.text import MIMEText
from email.header import Header
# 第三方 SMTP 服务
mail_host="smtp.qq.com" #设置服务器，QQ邮箱、163邮箱（smtp.163.com）、自建邮箱
mail_user="用户名" #用户名
mail_pass="授权码" #口令,QQ邮箱/163邮箱是输入授权码，如下图在邮箱设置中 用验证过的手机发送短信获得，不含空格。
sender = '发件人qq.com' # 发件人
receivers = ['收件人1@qq.com','收件人2@163.com','收件人3@xx.com'] # 收件人
# 发送邮件主题
subject = 'python email test'
# 编写HTML类型的邮件正文
msg = MIMEText('<html><h1>你好！</h1></html>','html','utf-8')
msg['Subject'] = Header(subject,'utf-8')
msg['From'] = '发件人@qq.com'
msg['To'] = '收件人1@qq.com,收件人2@163.com'
msg['Cc'] = '收件人3@xx.com'
# 连接发送邮件
smtpObj = smtplib.SMTP_SSL(mail_host)
smtpObj.login(mail_user,mail_pass)
smtpObj.sendmail(sender, receivers, msg.as_string())
smtpObj.quit()