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import smtplibfrom email.mime.text import MIMETextfrom email.header import Headerdef send_email_to_d(mesg, receivers=['dyl.sun@chinaentropy.com', 'kes.xie@chinaentropy.com']:    # 第三方 SMTP 服务配置    MAIL_HOST = "smtp.exmail.qq.com"    MAIL_USER = "kes.xie@chinaentropy.com"    MAIL_PASS = "43123131"    SENDER = 'kes.xie@chinaentropy.com'        message = MIMEText(mesg, 'plain', 'utf-8')    message['From'] = Header(SENDER, 'utf-8')    message['To'] = Header('dyl', 'utf-8')    subject = '数据库报错'    message['Subject'] = Header(subject, 'utf-8')        try:        smtpObj = smtplib.SMTP_SSL(MAIL_HOST, 465)        smtpObj.login(MAIL_USER, MAIL_PASS)        smtpObj.sendmail(SENDER, receivers, message.as_string())        smtpObj.quit()        print("邮件发送成功")    except smtplib.SMTPException:        print("邮件发送失败：无法连接SMTP服务器")