from email.mime.text import MIMEText

from email.utils import formataddr

import smtplib

def mail():

    msg = MIMEText('这是一封测试邮件 by python3','plain','utf-8')

    msg['From'] = formataddr(["走心的狗",'XXX@126.com'])

    msg['To'] = formataddr(["Wayne",'XXX@qq.com'])

    server = smtplib.SMTP()

    server.connect("smtp.126.com")

    try:

        server.login("XXX@126.com", "<126邮箱授权码作为密码登录>")

    except:

        print("login failed")

    server.sendmail('XXX@126.com', ['XXX@qq.com'], msg.as_string())

    server.quit()