(venv)zhangkeyuan@opsnotes:~/Test/flask » cat flask-mail.py
    #!/bin/env python
    #-*- coding:utf-8 -*-
    from flask import Flask, render_template
    from flask.ext.mail import Mail,Message
    import os


    app = Flask(__name__)
    ####SMTP server config
    app.config['MAIL_SERVER'] = 'smtp.qq.com' #电子邮件服务器的地址
    app.config['MAIL_PORT'] = '25'   #邮箱服务器的端口
    app.config['MAIL_USE_TLS'] = True  #启用安全传输
    app.config['MAIL_USERNAME'] = os.environ.get('MAIL_USERNAME')  #邮件账户用户名,已定义环境变量
    app.config['MAIL_PASSWORD'] = os.environ.get('MAIL_PASSWORD')  #邮件账密码,已定义环境变量


    mail = Mail(app)

    @app.route('/')
    def index():
        msg = Message('主题',sender=os.environ.get('MAIL_USERNAME'),recipients=['431054426@qq.com'])
        msg.body = '文本 body'
        msg.html = '<b>测试flask发送邮件</b>'
        mail.send(msg)

        return '<h1>邮件发送成功</h1>'


    if __name__ == '__main__':
        app.run(debug=True)
    (venv)zhangkeyuan@opsnotes:~/Test/flask »

    (venv)zhangkeyuan@opsnotes:~/Test/flask » cat mail.py
    #!/bin/env python
    #-*- coding:utf-8 -*-
    import os
    from flask import Flask, render_template
    from flask.ext.mail import Mail,Message
    from threading import Thread


    app = Flask(__name__)
    app.config['MAIL_SERVER'] = 'smtp.qq.com'
    app.config['MAIL_PORT'] = '25'
    app.config['MAIL_USE_TLS'] = True
    app.config['MAIL_USERNAME'] = os.environ.get('MAIL_USERNAME')
    app.config['MAIL_PASSWORD'] = os.environ.get('MAIL_PASSWORD')


    mail = Mail(app)

    def send_async_email(app,msg):
        with app.app_context():
            mail.send(msg)

    @app.route('/')
    def index():
        msg = Message('主题',sender=os.environ.get('MAIL_USERNAME'),recipients=['431054426@qq.com'])
        msg.body = '文本 body'
        msg.html = '<b>测试flask发送异步邮件</b>'


        thread = Thread(target=send_async_email,args=[app,msg])
        thread.start()

        return '<h1>邮件发送成功</h1>'


    if __name__ == '__main__':
        app.run(debug=True)
    (venv)zhangkeyuan@opsnotes:~/Test/flask »