Delivered-To: test.user@example.com Received: by 192.0.2.1 with SMTP id smtp12345; Mon, 14 Jul 2025 15:23:57 -0700 (PDT) X-Google-Smtp-Source: TEST_SOURCE X-Received: by 198.51.100.2 with SMTP id smtp67890; Mon, 14 Jul 2025 15:23:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1752531837; cv=none; d=example.com; s=test; b=TEST_SIGNATURE== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=example.com; s=test; h=content-language:subject:to:from; bh=TESTHASH==; b=TEST_SIGNATURE== ARC-Authentication-Results: i=1; mx.example.com; dkim=pass header.i=@example.com header.s=test header.b="TESTKEY"; spf=pass smtp.mailfrom=sender@example.com Return-Path: Received: from smtp.example.com (smtp.example.com. [203.0.113.10]) by mx.example.com with ESMTPS id smtp7890 for ; Mon, 14 Jul 2025 15:23:55 -0700 (PDT) Received-SPF: pass (example.com: domain of sender@example.com designates 203.0.113.10 as permitted sender) Authentication-Results: mx.example.com; dkim=pass header.i=@example.com header.s=test header.b="TESTKEY"; spf=pass smtp.mailfrom=sender@example.com Received: from TEST-PC (unknown [192.0.2.100]) (Authenticated sender: sender@example.com) by smtp.example.com (Postfix) with ESMTPA id ABCD123456 for ; Mon, 14 Jul 2025 19:23:43 -0300 (BRT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=example.com; s=test; t=1752531824; bh=TESTHASH=; h=From:To:Subject:Date:From; b=TEST_SIGNATURE== From: To: Subject: Test inline image without Content-Disposition Date: Mon, 14 Jul 2025 19:23:29 -0300 Message-ID: MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0001" X-Mailer: Microsoft Outlook 16.0 Thread-Index: TESTINDEX== Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0001 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0002" ------=_NextPart_001_0002 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This is a plain text version of the message. ------=_NextPart_001_0002 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This is an HTML message with an inline image.

------=_NextPart_001_0002-- ------=_NextPart_000_0001 Content-Type: image/jpeg; filename="image001.jpg" Content-Transfer-Encoding: base64 Content-ID: /9j/4AAQSkZJRgABAQEASABIAAD/2wCEAAEBAQEBAQEBAQEBAQEBAQEBAQEB AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/wAAL CABkAGQBAREA/8QA... ------=_NextPart_000_0001--