关于Flask 邮件发送，支持多人发送

#!/usr/bin/python
# -*- coding: UTF-8 -*-
import smtplib
from email.mime.text import MIMEText
from email.header import Header

class SendEmail(object):
    def __init__(self, mailserver, username_send, password, port, server_type):
        self.mailserver = mailserver     # 邮箱服务器地址
        self.username_send = username_send     # 邮箱用户名
        self.password = password     # 邮箱密码：需要使用授权码
        self.port = port
        self.server_type = server_type

    def make_mail(self):
        self.mail = MIMEText(self.content, 'plain', 'utf-8')
        self.mail['Subject'] = Header(self.header, 'utf-8')
        self.mail['From'] = self.username_send    # 发件人
        self.mail['To'] = ",".join(self.msg_to)       # 收件人；[]里的三个是固定写法，别问为什么，我只是代码的搬运工

    def send_email(self,username_recv, content, header):
        self.msg_to = username_recv.split(",")
        # print self.msg_to
        self.content = content
        self.header = header
        self.username_recv = username_recv     # 收件人，多个收件人用逗号隔开
        self.make_mail()

        try:
             smtp = smtplib.SMTP(self.mailserver, self.port)    # 连接邮箱服务器，smtp的端口号是25
             smtp.login(self.username_send, self.password)     # 登录邮箱
             smtp.sendmail(self.username_send, self.msg_to,
             self.mail.as_string())     # 参数分别是发送者，接收者，第三个是把上面的发送邮件的内容变成字符串
             smtp.quit()
             return True
        except smtplib.SMTPException:
             return False

if __name__ == '__main__':
    a = SendEmail( "smtp.163.com", "xxxxxxxx@163.com", "******* ", 25, "SMTP")
    print a.send_email("xxxxxxx@qq.com",".这是测试内容","邮件标题")

# print "success..."