python 发送邮件

#!/usr/bin/env python
#coding:utf-8
import smtplib,time,string
from email.mime.text import MIMEText
SMTPserver = 'smtp.exmail.qq.com'  # 腾讯企业邮箱
sender = 'xxx'   # 发件人邮箱
password = "xxx"   #发件人smtp客户端登陆密码
To = '1210577423@qq.com'    # 收件人邮箱
message = string.join(( 
'from ', sender,
'to', To ,
'I send a message by python hello ',
),"\r\n")   # 构造邮件内容
msg = MIMEText(message)
msg['Subject'] = 'test email to python'   # 邮件主题
msg['From'] = sender   
msg['To'] = ' xxx ' #destination  # 收件人邮箱
mailserver = smtplib.SMTP(SMTPserver,25)
mailserver.login(sender,password)
mailserver.sendmail(sender,[To],msg.as_string())
mailserver.quit()
print ' send email success '
with open('/var/log/email.log','a') as f:
date=time.strftime("%y-%m-%d %H:%M:%S")
str=date + " " + To +  message + '\n'
f.write(str)   # 记录邮件内容