python 发送邮件脚本用于网站监控报警

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#导入smtplib和MIMEText
import smtplib,sys
from email.mime.text import MIMEText
def send_mail(sub,content):
#############
#要发给谁，这里发给1个人
    mailto_list=["1234567@plcxue.com"]
#####################
#设置服务器，用户名、口令以及邮箱的后缀
    mail_host="mail.plcxue.com"
    mail_user="1234567@plcxue.com"
    mail_pass="123456677890"
    mail_postfix="plcxue.com"
######################
'''''
    to_list:收件人
    sub:主题
    content:内容
    send_mail("aaa@126.com","sub","content")
    '''
    me=mail_user+"<"+mail_user+"@"+mail_postfix+">"
    msg = MIMEText(content,_charset='gbk')
    msg['Subject'] = sub
    msg['From'] = me
    msg['To'] = ";".join(mailto_list)
try:
        s = smtplib.SMTP()
        s.connect(mail_host)
        s.login(mail_user,mail_pass)
        s.sendmail(me, mailto_list, msg.as_string())
        s.close()
returnTrue
except Exception, e:
print str(e)
returnFalse
if __name__ == '__main__':
if send_mail(u'python测试邮件',u'python发送邮件'):
print u'发送成功'
else:
print u'发送失败'