Received: from mail.example.org (mail.example.org [203.0.113.10])
    by mx.example.com with ESMTPS id 12345
    for <user@example.com>; Tue, 17 Feb 2026 10:00:00 +0000
Received: from localhost (localhost [127.0.0.1])
    by mail.example.org with SMTP id 67890
    for <user@example.com>; Tue, 17 Feb 2026 09:59:00 +0000
Authentication-Results: mx.example.com;
    spf=pass smtp.mailfrom=example.org;
    dkim=pass header.d=example.org;
    dmarc=pass
Subject: This is a test subject
    with a folded line
From: "Sender Name" <sender@example.org>
To: user@example.com
Date: Tue, 17 Feb 2026 10:00:00 +0000
Message-ID: <1234@example.org>
Content-Type: multipart/alternative; boundary="boundary-123"
X-Forefront-Antispam-Report: CIP:203.0.113.10;CTRY:US;LANG:en;SCL:1;SRV:;
    IPV:NLI;SFV:SKI;H:mail.example.org;CAT:NONE;SFTY:0.0;SFS:(0);DIR:INB;
X-Spam-Status: No, score=-0.1 required=5.0 tests=NONE
X-Spam-Level: **
X-Spam-Flag: NO
X-Spam-Report: Example report line one
    Example report line two
X-Mimecast-Spam-Score: 1
X-Proofpoint-Spam-Details: rule=default, score=0
X-MS-Exchange-Organization-SCL: 1

--boundary-123
Content-Type: text/plain; charset=utf-8

This is the body.
X-Should-Not-Be-Parsed: nope
--boundary-123--