python实现邮件群发

#! /usr/bin/env python
#coding=gbk

import sys, smtplib, os
from datetime import date
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
import email.iterators
import email.generator
from email import Encoders



#############
#读取邮件列表
file_object = open('list.txt')
try:
    all_the_text = file_object.readlines( )
finally:
    file_object.close( )
#读取配置文件
mailto_list = all_the_text

file_object = open('set.txt')
try:
    all_the_text = file_object.readlines( )
finally:
    file_object.close( )
set_list = all_the_text


#########格式化配置文件#############
def get_mail_fomat(index):
    return_str = set_list[index]
    return_str = return_str.replace("\n","")
    return_str = return_str.split('=')[1]
    return return_str

##########发送邮件############
def send_mail(to_list,sub,content):
    '''
    to_list:发给谁
    sub:主题
    content:内容
    send_mail("[email protected]","sub","content")
    '''
    me=mail_user+"<"+mail_user+"@"+mail_postfix+">"
    msg = MIMEText(content)
    msg['Subject'] = sub
    msg['From'] = me
    #msg['To'] = ";".join(to_list)
    msg['To'] = to_list
    try:
        s = smtplib.SMTP()
        s.connect(mail_host)
        s.login(mail_user,mail_pass)
        s.sendmail(me, to_list, msg.as_string())
        s.close()
        return True
    except Exception, e:
        print str(e)
        return False
if __name__ == '__main__':
    send_succeed_num = 0
    send_fail_num = 0
    #####################
    #设置服务器，用户名、口令,邮箱的后缀以及标题和内容
    mail_host = get_mail_fomat(0)
    mail_user = get_mail_fomat(1)
    mail_pass = get_mail_fomat(2)
    mail_postfix = get_mail_fomat(3)
    mail_subject = get_mail_fomat(4)
    mail_content = get_mail_fomat(5)

    for i in mailto_list:
        if send_mail(i,mail_subject,mail_content):
            send_succeed_num +=1
            print "%s-->发送成功"%i
        else:
            send_fail_num +=1
            print "%s-->发送失败"%i
    print "\n-------------发送成功%d条" %send_succeed_num
    print "\n-------------发送失败%d条" %send_fail_num

配置文件
list.txt 用于配置要发送的邮件地址列表，每个邮件地址一行
[email protected]
[email protected]
[email protected]

set.txt 用于配置邮件发送设置 请在正式应用时去掉#以及之后的内容。
mail_host=smtp.163.com smtp#服务器
mail_user=axi#用户名
mail_pass=xxx#密码
mail_postfix=163.com 邮件后缀,和mail_user结合起来就是[email protected]
mail_subject=testsubject#邮件标题
mail_content=testcontent#邮件内容

python就是这样简单好用,一共84行代码而已.