I've had two emails bounce back to the senders when they're forwarding to me. In both cases, the emails have a long message thread, attachments, and lots of links. Is there a way to maybe change the MailPolicy settings to allow these types of messages through?

This is the error I'm getting:

Final-Recipient: rfc822;  xxxx@lindykae.com
Action: failed
Status: 5.2.3
Remote-MTA: dns;  mx.zoho.com . (204.141.32.121, the server for the domain  lindykae.com .)
Diagnostic-Code: smtp; 554 5.2.3 MailPolicy violation Error delivering to mailboxes
Last-Attempt-Date: Thu, 05 Oct 2017 12:17:03 -0700 (PDT)