Subject: Undelivered Mail Returned to Sender
From: [email-masked] (Mail Delivery System)
To: [email-masked]
Date: Wed, 26 Oct 2022 17:32:05 -0700 (MST)

This is the mail system at host mail.lsmindia.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<[email-masked]>: host freemx3.sinamail.sina.com.cn[39.156.6.104]
    said: 550 Too many invalid recipients received this hour. p=ca1-550
    108.170.60.122  (in reply to DATA command)