Python使用SSL方式发送QQ邮箱

#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
mail_user="******@qq.com"    #用户名
mail_pass="*********"   #口令,QQ邮箱是输入授权码，在qq邮箱设置 里用验证过的手机发送短信获得，不含空格


sender = '******qq.com'
receivers = ['******@qq.com','****@sina.com.cn']  # 接收邮件，可设置为你的QQ邮箱或者其他邮箱

message = MIMEText('a test for python', 'plain', 'utf-8')
message['From'] = Header("ppyy", 'utf-8')
message['To'] =  Header("you", 'utf-8')

subject = 'my test'
message['Subject'] = Header(subject, 'utf-8')

try:
  smtpObj = smtplib.SMTP_SSL(mail_host, 465) 
  smtpObj.login(mail_user,mail_pass)  
  smtpObj.sendmail(sender, receivers, message.as_string())
  smtpObj.quit()
  print u"邮件发送成功"
except smtplib.SMTPException,e:
  print e