Python发送邮件，outlook客户端发件人后缀乱码问题解决

# -*- coding: utf-8 -*-
# @Time    : 2017/4/17 17:22
# @Author  : xiaojingjing
# @File    : sendemail.py
# @Software: PyCharm
# coding:utf-8
import smtplib
import traceback
from email.utils import formataddr

from email.mime.text import MIMEText
for emails in open("email_list.txt"):
    #   设置服务器
    mail_host="smtp.XXXXXX.com"
    #   用户名
    mail_user="XXXXXXXXX"
    #   密码
    mail_pass="XXXXXXXXXX"

    #   发件箱后缀
    mail_postfix="XXXXXXXXXX.com"

    def send_mail(to_list,sub,content):
        # me = ("%s<"+mail_user+"@"+mail_postfix+">")%(Header('中文汉字','utf-8'),)
        me=formataddr(["中文汉字","<"+mail_user+"@"+mail_postfix+">"])
        msg = MIMEText(content,_subtype='plain',_charset='utf8')    # 设置为文本格式邮件
        msg['Subject'] = sub    # 设置主题
        msg['From'] = me
        msg['To'] = to_list # 收件人
        try:
            s = smtplib.SMTP()
            s.connect(mail_host)  # 连接smtp服务器
            s.login(mail_user,mail_pass)  # 登陆服务器
            s.sendmail(me,to_list, msg.as_string())  # 发送邮件
            s.close()
            return True
        except:
            traceback.print_exc()
            return False
    
    #发送失败的邮箱放入集合
    FalseSend=[]
    #title：主题；content：邮件内容
    content="提醒各位，" \
        "这个zip文件中没有包含 flask 虚似环境的配置，" \
        "所以你需要自已创建运行环境。"
    title="上周工作总结"

    if send_mail(emails,title,content):  #邮件主题和邮件内容
        print ("[done!]:",emails)
    else:
        print( "[failed!]：",emails )
        FalseSend.append(emails)