python发送邮件

# -*- coding: utf-8 -*-
'''
Created on 2014-02-17 10:41
@summary:  send email
@author: leaf
'''

import smtplib  
from email.mime.text import MIMEText 

# 收件人的邮箱地址, 一个或多个皆可,列表形式
mailto_list=['****','*****'] 
# 发送邮件的服务器
mail_host="smtp.**.com"
# 发件人用户名,邮箱地址中@字符之前的部分
mail_user="****"
# 发件人的邮箱密码
mail_pass="*****"
#发件箱的后缀
mail_postfix="****"  
  
def send_mail(to_list,sub,content):  
    me="hello"+"<"+mail_user+"@"+mail_postfix+">"  
    msg = MIMEText(content,_subtype='plain',_charset='utf-8')  
    msg['Subject'] = sub  
    msg['From'] = me  
    msg['To'] = ";".join(to_list)  
    try:  
        server = smtplib.SMTP()  
        server.connect(mail_host)  
        server.login(mail_user,mail_pass)  
        server.sendmail(me, to_list, msg.as_string())  
        server.close()  
        return True  
    except Exception, e:  
        print str(e)  
        return False  
        
if __name__ == '__main__':  
    if send_mail(mailto_list,"会议通知","今天下午14:30在三楼小会议室开会"):  
        print "发送成功"  
    else:  
        print "发送失败"