from flask_mail import Mail,Message

 from flask import Flask

 import os

 app=Flask(__name__)

 app.config.update(

     DEBUG = True,

     MAIL_SERVER='smtp.qq.com',

     MAIL_PROT=25,

     MAIL_USE_TLS = True,

     MAIL_USE_SSL = False,

     MAIL_USERNAME = '4@qq.com',

     MAIL_PASSWORD = 'xxxxxxxx',

     #MAIL_PASSWORD = 'xxxxxxxx',

     MAIL_DEBUG = True

 )

 mail=Mail(app)

 @app.route('/')

 def index():

 # sender 发送方哈，recipients 邮件接收方列表

     msg = Message("Hi!This is a test ",sender='4@qq.com', recipients=['3@qq.com'])

 # msg.body 邮件正文

     msg.body = "This is a first email"

 # msg.attach 邮件附件添加

 # msg.attach("文件名", "类型", 读取文件）

 #     with app.open_resource("F:\2281393651481.jpg") as fp:

 #         msg.attach("image.jpg", "image/jpg", fp.read())

     mail.send(msg)

     print ("OK")

     return "Sent"

 if __name__=='__main__':

     app.run(debug=True)