发送异步邮件

import smtplib
from email.mime.text import MIMEText
from email.header import Header
from email.utils import formataddr
import aiosmtplib
import asyncio


# 发送邮件函数
class EmailService():
    def __init__(self):
        self.mail_host = "smtp.ym.163.com"  # 设置服务器
        self.mail_port = 465
        # self.mail_user = "xxx"  # 用户名
        self.mail_user = "xxx"  # 用户名
        self.mail_pass = "xxx"
        self.sender = 'xxx'

    async def SendEmail(self, mail_to, subject, msg):
        receivers = mail_to.split(',')
        if len(receivers) == 0:
            return False

        if len(msg) == 0:
            return False

        message = MIMEText(msg, 'html', 'utf-8')
        # message['From'] = formataddr(['监控组', self.mail_user])
        message['From'] = self.mail_user
        # Header("警告处理人员", 'utf-8')
        # message['To'] = formataddr(['警告处理人员', receivers[0]])
        message['To'] = receivers[0]
        if subject == "":
            subject = '验证码'
        message['Subject'] = Header(subject, 'utf-8')

        try:
            async with aiosmtplib.SMTP(self.mail_host, self.mail_port,use_tls=True) as smtpObj:

               await smtpObj.login(self.mail_user, self.mail_pass)
               await smtpObj.sendmail(self.sender, receivers, message.as_string())
               await smtpObj.quit()
        except aiosmtplib.SMTPException as e:
            return False
        return True
        
emailService = EmailService()
await emailService.SendEmail(email, subject, msg)
#