python 实现发送邮件

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

import smtplib
from email.mime.text import MIMEText

def mailf(errdate,biaoti):
user = "shishuicer@tom.com"
pwd  = "3。。。。4一排"
to   = "zxx@xxxx.com"

msg = MIMEText(errdate)
msg["Subject"] = biaoti
msg["From"]    = _user
msg["To"]      = _to

s = smtplib.SMTP("smtp.tom.com", timeout=300)
s.login(_user, _pwd)
s.sendmail(_user, _to, msg.as_string())
s.close()

if __name__=='__main__':
mailf('neirong','header')