Subject: Undelivered Mail Returned to Sender
From: [email-masked] (Mail Delivery System)
To: [email-masked]
Date: Wed, 2 Nov 2022 21:30:33 -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 extmail.bigpond.com[203.36.172.106] refused to talk to
    me: 550-5.7.1 Connection refused - IB116. 108.170.60.122 senderscore too
    low. Please check https://senderscore.org 550 4.7.25 Temporarily rejected.
    Reverse DNS for 108.170.60.122 failed. IB108