Python发送简单的html邮件

#!/usr/bin/env python
# -*- coding=utf-8 -*-

import smtplib
from email.header import Header
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

sender = "[e-mail]"
rcpt   = "[e-mail]"
msg    = MIMEMultipart('alternatvie')
msg['Subject'] = Header("测试发信","utf-8")                      #组装信头
msg['From']    = r"%s " % Header("小吴","utf-8") #使用国际化编码
msg['To']      = rcpt

html = open('html.tpl').read()                                   #读取HTML模板
html_part = MIMEText(html,'html')                                #实例化为html部分
html_part.set_charset('utf-8')                                   #设置编码
msg.attach(html_part)                                            #绑定到message里

try:
    s = smtplib.SMTP('smtp.163.com')                             #登录SMTP服务器,发信
    s.login('pywugw','*******')
    s.sendmail(sender,rcpt,msg.as_string())
except Exception,e:
    print e