Subject: Undelivered Mail Returned to Sender
From: [email-masked] (Mail Delivery System)
To: [email-masked]
Date: Wed, 26 Oct 2022 20:04:20 -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 mx.dka.mailcore.net[81.7.169.148] said: 554 5.7.1
    Service unavailable; Client host [108.170.60.122] blocked using
    sip-sip24.invaluement.local; Blocked by ivmSIP and/or ivmSIP/24 - see
    https://www.invaluement.com/lookup/?item=108.170.60.122 (in reply to RCPT
    TO command)