python实现邮件收发

import smtplib
import poplib
from email.parser import Parser
from email.header import decode_header
from email.utils import parseaddr
from email.mime.text import MIMEText
from email.header import Header
from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email import encoders


def login_in():
    global email, password, pop_server, server1, server2

    email = input('输入登录邮箱:\n')
    password = input('输入登录密码:\n')
    pop_server = 'pop.163.com'  # pops服务器地质
    print('pop3 服务器地址: %s\n' % pop_server)
    server1 = poplib.POP3_SSL(pop_server)
    # server1.stat()

    print(server1.getwelcome().decode('utf-8'))

    server1.user(email)
    server1.pass_(password)
    print('邮件总数: %s. 占用的空间大小: %s' % server1.stat())

# def handle_command(user_cmd, email_title):
#     if user_cmd == '1':