Text-only headers for Sender Authentication 101

Return-Path: bounce-redacted@bounce.example.com
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; s=200608; d=us.mail.example.com; h=From:To:Subject:Date:List-Unsubscribe:MIME-Version:Reply-To:List-ID: X-CSA-Complaints:Message-ID:Content-Type:Content-Transfer-Encoding; i=example@us.mail.example.com; bh=ZqN8VtqFsZW0FDs8m9mWxvM8/vs+u00fWt8AVpK/1wo=; b=tXFsmK1+90OMRz2uW2IW3Ue9Lmwvwg2lQi28L6P6rgx8hCFNCrcoN/ScEPHlIqugPX00sl0VWV4t
9iyYEPf96AeQ8qPogEnjxd88H/6beBSPXIgZvHlY46SZB7R9gC4Q9uK1hsCu/UWNKJDyhUKjg8Gq
05NmFdxtjG0d0Z2rZDQ=
Received: by mta5.example.com id h6qrri2fmd4d for karen@directdeliverability.com; Fri, 14 Aug 2020 16:11:36 +0000 (envelope-from bounce-redacted@bounce.example.com)

(All headers below are included in DKIM encryption)
From: Example Business Example@us.mail.example.com
To: karen@directdeliverability.com
Subject: I am a subject line.
Date: Fri, 14 Aug 2020 10:11:41 -0600
List-Unsubscribe: leave-redacted@leave.americas.example.com
MIME-Version: 1.0
Reply-To: Example Message Receipt – Commercial reply-redacted@americas.links.example.com
List-ID: <1306115.xt.local>
X-CSA-Complaints:
Message-ID:
Content-Type: text/html; charset=”utf-8″
Content-Transfer-Encoding: 8bit