How do I view full email headers on popular email clients so that I can troubleshoot issues?

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I want to see the full email headers of emails that are exchanged between Amazon Simple Email Service (Amazon SES) and my receiving mail server.

Resolution

Full email headers look similar to the following example:

Delivered-To: hello@examplerecipient.com
Received: by 2002:a17:907:104f:0:0:0:0 with SMTP id oy15csp1032604ejb;
        Fri, 30 Apr 2021 20:39:47 -0700 (PDT)
X-Google-Smtp-Source: ABdhPJzh1mAfg8ADsMqkmtRwbDilz3ii9Lsgjk2P2Cn0t3F1dn93MTB1gEQY0WeqB8cUwgpkmj4b
X-Received: by 2002:a37:744:: with SMTP id 65mr8623779qkh.393.1619840386902;
        Fri, 30 Apr 2021 20:39:46 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1619840386; cv=none;
        d=examplerecipientdomain.com; s=arc-20160816;
        b=PMSOJmkrw1P59egAibf1euOjQM0JQ2n8pk00+uvlk7CV9zuCZEFglG3w+LVMlw0wAZ
         XtQ6T5bO4YyeqrDCqFcleBnnvfTuFRaup4+J62CWiVI7R/k+4q0PPdik8TIdDMxATc/g
         qQKgr5HZGhu1zm8n5oY1B0yg4JpjOGVIxOjc9dB/15ix2tQrPVxoHQPMHYVofPtY5BeN
         G0LpjCXCrmqwCCsGS2mgJ0eEg9vFV9UUIdtTBr+6CPV+V45wIgOYkGMLuHhzalXKZXbh
         w7fm+nne7x9LclK9xvtHW1CajBZeD+bNMD3exqVYNbf2lJ36V1mDJ0uIvq1x5u2i14pL
         7KAQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=examplerecipientdomain.com; s=arc-20160816;
        h=feedback-id:date:message-id:content-transfer-encoding:mime-version
         :subject:to:from:dkim-signature:dkim-signature;
        bh=VOs4y6gu8JLAPLN/Bq4M9b94CryYOzlLzn92GcncOkw=;
        b=ztAEAfTEQ6yLnV/Q4gUYIOUFAhy8zW2LRziT1YosBxayEsTQhdDR3nThK1P75aui7w
         RPg73Of+uwqjAoQXf7ZlHWKfrlCre+8CresaKAzFw8FLpI1xac4dgcoFwH9whJ4jxs1c
         N9AWmeRjEhspATIUxYkcJ8+OsUG/2TDPQu3k93cRO8NhCCD2sz6WiN/Cl64Rk6CBwsse
         ipZl6qZRo2dNravnsN2jXxUdABSUrTsKKSI/4Q8Gw2preRKRrpWBqyPFYswizDewQXuI
         f8twJZVfSdHoA8XwrKcVAfUxcpCryGYaeo9sHlheXbBf3I2kNWVHnvM8fyPs4VJAbudH
         ayoQ==
ARC-Authentication-Results: i=1; mx.examplerecipient.com;
       dkim=pass header.i=@examplesender.com header.s=qk6bvwgtoedeefsxxzx7zyh756x7pud2 header.b=eRCWqyY+;
       dkim=pass header.i=@amazonses.com header.s=ug7nbtf4gccmlpwj322ax3p6ow6yfsug header.b=VUA6FdBW;
       spf=neutral (examplerecipientdomain.com: 54.240.48.95 is neither permitted nor denied by best guess record for domain of 010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com) smtp.mailfrom=010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com
Return-Path: <010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com>
Received: from a48-95.smtp-out.amazonses.com (a48-95.smtp-out.amazonses.com. [54.240.48.95])
        by mx.examplerecipient.com with ESMTPS id c21si2902247qkj.313.2021.04.30.20.39.46
        for <hello@examplerecipient.com>
        (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-SHA bits=128/128);
        Fri, 30 Apr 2021 20:39:46 -0700 (PDT)
Received-SPF: neutral (examplerecipientdomain.com: 54.240.48.95 is neither permitted nor denied by best guess record for domain of 010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com) client-ip=54.240.48.95;
Authentication-Results: mx.examplerecipient.com;
       dkim=pass header.i=@examplesender.com header.s=qk6bvwgtoedeefsxxzx7zyh756x7pud2 header.b=eRCWqyY+;
       dkim=pass header.i=@amazonses.com header.s=ug7nbtf4gccmlpwj322ax3p6ow6yfsug header.b=VUA6FdBW;
       spf=neutral (examplerecipientdomain.com: 54.240.48.95 is neither permitted nor denied by best guess record for domain of 010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com) smtp.mailfrom=010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@custommailfromdomain.examplesender.com
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=qk6bvwgtoedeefsxxzx7zyh756x7pud2; d=examplesender.com; t=1619840386; h=From:To:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID:Date; bh=VOs4y6gu8JLAPLN/Bq4M9b94CryYOzlLzn92GcncOkw=; b=eRCWqyY+fg2dyuk0+vz+RATrOd6MxysLa6SS13u014Y5liKanL+SoWNhCeWBU1z2 vcVUnS7VNSF04+Cn1f0KssOyec9y/dlFN50upm59kyCc5bYQrDnSuRdDjDYMNd6tHfP OXbsl9SF2qR83+6zNOOY8LzbL7oCe8cXPoK4bL9s=
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=ug7nbtf4gccmlpwj322ax3p6ow6yfsug; d=amazonses.com; t=1619840386; h=From:To:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID:Date:Feedback-ID; bh=VOs4y6gu8JLAPLN/Bq4M9b94CryYOzlLzn92GcncOkw=; b=VUA6FdBWX2t78RPPo5T+VBhLY7ykrrk6Cvf3ye9OLHiKFtA+ZhZ7wUKoC85MaO4L +Ng+q7StDqYv2L7FKvoL2aUUMFAZcYOgzoXneO8enu8/5nRecowZdRfe0gMM3f5aL2R AJQYwmwHbCj7hNmHN/0tKhVRynIEdEnkKoe2Qook=
From: hello@examplesender.com
To: hello@examplerecipient.com
Subject: SES
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Message-ID: <010001792602c3fc-SaMpLe-a4fc-4135-bc5a-b9fcaba8d509-000000@email.amazonses.com>
Date: Sat, 1 May 2021 03:39:46 +0000
Feedback-ID: 1.us-east-1.27emrSSn5f4pRLShWT3CyWg+hDbDkwgJZdVmQ6/qxx8=:AmazonSES
X-SES-Outgoing: 2021.05.01-54.240.48.95

Hi there, this message is sent using SES.

View full email headers

To view the full email headers, complete the steps for your email provider.

Microsoft Outlook 2016, 2013, or 2010

  1. To open the email in a full window, double-click the email.
  2. Choose File, and then choose Properties.
  3. View the message header in the Internet headers field in the Properties window.

Apple Mail

  1. Open the email.
  2. From the menu, choose View, and then choose Message.
  3. Choose Raw Source.

Mozilla Thunderbird

  1. To open the email in a new tab or window, choose the email from the reading pane.
  2. From the menu, choose View, and then choose Message Source.

Gmail

  1. Open the email.
  2. Choose the More menu, and then choose Show original.

Outlook.com (formerly Hotmail)

  1. From your Outlook.com email inbox, open (right-click) the context menu for the email. 
    Note: To perform this action, don't open the email.
  2. Choose View, and then choose View message source.

Yahoo Mail

  1. From your Yahoo Mail email inbox, open (right-click) the context menu for the email.
    Note: To perform this action, don't open the email.
  2. Choose View raw message.
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