python-SMTP发邮件

# -*- coding: utf-8 -*-

from email import encoders
from email.header import Header
from email.mime.text import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.utils import parseaddr, formataddr
import smtplib
import getpass
from_addr = raw_input('From: ')#输入发信地址
password = getpass.getpass('Password: ')#输入密码
to_addr = raw_input('To: ')#输入收信地址
email_title = raw_input('email title: ')#输入邮件标题
email_body = raw_input('email body: ')#输入邮件内容

msg = MIMEMultipart('alternative')#兼容Plain和html两种
msg.attach(MIMEText(email_body, 'html', 'gbk'))#第一个参数是邮件内容，第二个参数是类型Plain是普通，html是页面，第三个参数是字符编码
msg['To'] = to_addr
msg['Subject'] = Header(email_title, 'gbk').encode()#邮件标题

try:
    server = smtplib.SMTP('smtp.'+from_addr.split('@')[1].split('.')[0]+'.com', 25)#smtp服务器名称
    server.starttls()#加密SMTP
    server.set_debuglevel(1)#1打印出和SMTP服务器交互的所有信息；-1不会打印
    server.login(from_addr, password)#来登录SMTP服务器
    server.sendmail(from_addr, [to_addr], msg.as_string())#发邮件，由于可以群发所以收件人是列表；as_string是将MIMEText对象转化为string
    print "OK!!!"

except SMTPException:
   print "Error: unable to send email!"

finally:
    server.quit()#关闭