python使用smtplib发送邮件

#!/usr/bin/env python
#-*- coding:utf-8 -*-
#Author: Fonzie

import smtplib,string
from email.mime.text import MIMEText

mail_list = ['test@qq.com']
mail_host = "smtp.qq.com"
mail_user = "my_mail_address@qq.com"
mail_pass = "you smtp passwd"
mail_postfix = "qq.com"


def send_mail(to_list,sub,content,subtype="plain"):
    '''
    函数可以发送邮件
    :param to_list:
    :param sub:
    :param content:
    :param subtype:
    :return:
    '''
    mail_from = "hello<%s@%s>"%(mail_user, mail_postfix)
    msg = MIMEText(content,_subtype='%s'%subtype,_charset='utf-8')
    msg['Subject'] = sub
    msg['From'] = mail_from
    msg['To'] = ";".join(to_list)

    try:
        server = smtplib.SMTP()
        server.connect(mail_host)
        server.starttls()           #启用加密传输
        server.login(mail_user,mail_pass)
        server.sendmail(mail_from,to_list,msg.as_string())
        server.close()
        return True
    except:
        return False

if __name__ == '__main__':
    if send_mail(mail_list,"hello","hello wolrd"):
        print("send mail successfully")
    else:
        print("send mail failurl")