python实现下载pop3邮件保存到本地

#!/usr/bin/env python 
#-*- coding: utf-8 -*- 
#filename:receive_pop3_email_download.py 
 
import poplib 
 
username = 'dxx_study' 
passwd = 'xXXXXXXX' 
 
mail_server = 'pop.163.com' 
 
p = poplib.POP3(mail_server) 
p.user(username) 
p.pass_(passwd) 
for msg_id in p.list()[1]: 
  print msg_id 
  outf = open('%s.eml' % msg_id, 'w') 
  outf.write('\n'.join(p.retr(msg_id)[1])) 
  outf.close() 
p.quit() 

>>> ================================ RESTART ================================ 
>>>  
1 6189 
2 14284 
3 1712 
4 24912 
5 129052 
6 1399 
7 23298 
8 47902 
9 2334 
10 48887 
11 1081 
12 34930 
13 2098 
14 26316 
15 32381 
16 1822 

#!/usr/bin/env python 
#-*- coding: utf-8 -*- 
#filename:receive_pop3_email.py 
 
import poplib, re 
 
username = 'dxx_study' 
passwd = 'xuXXXXXu' 
 
mail_server = 'pop.163.com' 
 
p = poplib.POP3(mail_server) 
 
#p.set_debuglevel(2)#设置调试信息打印级别 
#s = p.getwelcome()#打印欢迎信息 
p.user(username) 
p.pass_(passwd) 
p.stat() 
#p.list()#返回收件箱邮件数目，邮件大小，与p.list()[0]相同 
#p.retr(42)#提取对应邮件的内容 
#print p.top(42,42)#提取对应邮件，可以对内容按行数提取 
#p.uidl()#Return message digest (unique id) list 
#p.list()[1]#依次返回每个邮件大小，如['1 6189', '2 14284', '3 1712',....] 
#p.retr(2)[0]#返回第二封个邮件14284 octets大小 
 
 
 
def file_name(text):#这个匹配效率比较低，值得改进 
  pattern = u"Sender: (.*)" 
  file_name = re.search(pattern, text, re.I) 
  if file_name == None: 
    exit 
  else: 
    return file_name.group(1) 
 
 
def download_mail(): 
  for msg_id in p.list()[1]: 
    retr = p.retr(msg_id)[1] 
    for i in range(0,len(retr)): 
      name = file_name(retr[i])#利用filename进行正则匹配获取发件人 
      if name == None: 
        exit 
      else: 
        outf = open('%s.eml' % name, 'w') 
        outf.write('\n'.join(retr)) 
        outf.close() 
 
download_mail() 
p.quit()