如何在常用电子邮件客户端上查看完整的电子邮件标题以便解决问题？

解决方法

完整的电子邮件标题看起来类似于以下示例：

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.

查看完整的电子邮件标题

要查看完整的电子邮件标题，请在邮箱供应商完成如下步骤。

Microsoft Outlook 2016、2013 或 2010

1. 要在完整窗口中打开电子邮件，请双击该电子邮件。
2. 选择文件，然后选择属性。
3. 在属性窗口的 Internet 标题字段中查看邮件标题。

Apple Mail

1. 打开电子邮件。
2. 从菜单中选择查看，然后选择消息。
3. 选择原始来源。

Mozilla Thunderbird

1. 要在新选项卡或窗口中打开电子邮件，请从阅读窗格中选择电子邮件。
2. 从菜单中选择查看，然后选择消息来源。

Gmail

1. 打开电子邮件。
2. 选择更多菜单，然后选择显示原图。

Outlook.com（前身为 Hotmail）

1. 在 Outlook.com 电子邮件收件箱中，打开（右键单击）电子邮件的上下文菜单。
   **注意：**要执行此操作，请不要打开电子邮件。
2. 选择查看，然后选择查看消息来源。

Yahoo Mail

1. 在 Yahoo Mail 电子邮件收件箱中，打开（右键单击）电子邮件的上下文菜单。
   **注意：**要执行此操作，请不要打开电子邮件。
2. 选择查看原始消息。