Como faço para visualizar cabeçalhos de e-mails completos em clientes de e-mail populares para que eu possa solucionar problemas?

Resolução

Os cabeçalhos de e-mail completos são semelhantes ao exemplo a seguir:

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.

Visualizar cabeçalhos de e-mail completos

Para visualizar os cabeçalhos de e-mail completos, conclua as etapas do seu provedor de e-mail.

Microsoft Outlook 2016, 2013 ou 2010

1. Para abrir o e-mail em uma janela inteira, clique duas vezes no e-mail.
2. Escolha Arquivo e, em seguida, escolha Propriedades.
3. Visualize o cabeçalho da mensagem no campo Cabeçalhos da Internet na janela Propriedades.

Apple Mail

1. Abra o e-mail.
2. No menu, escolha Visualizar, em seguida, escolha Mensagem.
3. Escolha Origem bruta.

Mozilla Thunderbird

1. Para abrir o e-mail em uma nova guia ou janela, escolha o e-mail no painel de leitura.
2. No menu, escolha Visualizar e, em seguida, escolha Origem da mensagem.

Gmail

1. Abra o e-mail.
2. Escolha o menu Mais e, em seguida, escolha Mostrar original.

Outlook.com (antigo Hotmail)

1. Na sua caixa de entrada de e-mail do Outlook.com, abra (clicando com o botão direito) o menu de contexto do e-mail. 
   Observação: para realizar essa ação, não abra o e-mail.
2. Escolha Visualizar e, em seguida, escolha Visualizar origem da mensagem.

Yahoo Mail

1. Na sua caixa de entrada de e-mail do Yahoo Mail, abra (clicando com o botão direito) o menu de contexto do e-mail.
   Observação: para realizar essa ação, não abra o e-mail.
2. Escolha Visualizar mensagem bruta.