python邮件发送

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2018-01-15 20:40
# @Author :  hhj
# @Site :
# import collections
#

import smtplib
from email.mime.text import MIMEText
# from email.utils import formataddr
import sys

def mail(cont):
    ret = True
    try:
        msg = MIMEText(cont, ‘plain‘, ‘utf-8‘)
        msg[‘From‘] = "1@qq.com"
        msg[‘To‘] = "2@qq.com"
        msg[‘Subject‘] = "主题"

        server = smtplib.SMTP_SSL("smtp.qq.com",465)
        server.login("1@qq.com", "授权码***")
        server.sendmail(‘1@qq.com‘, [‘2@qq.com‘, ], msg.as_string())
        server.quit()
    except Exception:
        ret = False
    return ret


def main():
    cont =""
    while cont=="":
        cont = input("请输入邮件内容：")
    else:
        ret=mail(cont)
        if ret==False:
            print("邮件发送失败！")
        else:
            print("邮件发送成功！")
if  __name__==‘__main__‘:
    main()