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#!/usr/bin/env python3

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

from email.parser import Parser

from email.header import decode_header

from email.utils import parseaddr

import poplib

# 输入邮件地址, 口令和POP3服务器地址:

email = input('Email: ')

password = input('Password: ')

pop3_server = input('POP3 server: ')

def guess_charset(msg):

charset = msg.get_charset()

if charset is None:

content_type = msg.get('Content-Type', '').lower()

pos = content_type.find('charset=')

if pos >= 0:

charset = content_type[pos + 8:].strip()

return charset

def decode_str(s):

value, charset = decode_header(s)[0]

if charset:

value = value.decode(charset)

return value

def print_info(msg, indent=0):

if indent == 0:

for header in ['From', 'To', 'Subject']:

value = msg.get(header, '')

if value:

if header=='Subject':

value = decode_str(value)

else:

hdr, addr = parseaddr(value)

name = decode_str(hdr)

value = u'%s <%s>' % (name, addr)

print('%s%s: %s' % (' ' * indent, header, value))

if (msg.is_multipart()):

parts = msg.get_payload()

for n, part in enumerate(parts):

print('%spart %s' % (' ' * indent, n))

print('%s--------------------' % (' ' * indent))

print_info(part, indent + 1)

else:

content_type = msg.get_content_type()

if content_type=='text/plain' or content_type=='text/html':

content = msg.get_payload(decode=True)

charset = guess_charset(msg)

if charset:

content = content.decode(charset)

print('%sText: %s' % (' ' * indent, content + '...'))

else:

print('%sAttachment: %s' % (' ' * indent, content_type))

# 连接到POP3服务器:

server = poplib.POP3(pop3_server)

# 可以打开或关闭调试信息:

server.set_debuglevel(1)

# 可选:打印POP3服务器的欢迎文字:

print(server.getwelcome().decode('utf-8'))

# 身份认证:

server.user(email)

server.pass_(password)

# stat()返回邮件数量和占用空间:

print('Messages: %s. Size: %s' % server.stat())

# list()返回所有邮件的编号:

resp, mails, octets = server.list()

# 可以查看返回的列表类似[b'1 82923', b'2 2184', ...]

print(mails)

# 获取最新一封邮件, 注意索引号从1开始:

index = len(mails)

resp, lines, octets = server.retr(index)

# lines存储了邮件的原始文本的每一行,

# 可以获得整个邮件的原始文本:

msg_content = b'\r\n'.join(lines).decode('utf-8')

# 稍后解析出邮件:

msg = Parser().parsestr(msg_content)

print_info(msg)

# 可以根据邮件索引号直接从服务器删除邮件:

# server.dele(index)

# 关闭连接:

server.quit()