{"id":218,"date":"2024-05-05T19:05:31","date_gmt":"2024-05-05T19:05:31","guid":{"rendered":"https:\/\/zalvis.com\/docs\/?p=218"},"modified":"2024-06-23T05:28:11","modified_gmt":"2024-06-23T05:28:11","slug":"how-to-view-e-mail-message-headers","status":"publish","type":"post","link":"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html","title":{"rendered":"How To View E-Mail Message Headers"},"content":{"rendered":"<p>In this short article, we will show you how to view E-mail message headers for different Webmail applications such as Horde and Roundcube.<\/p>\n<p>But first, let\u2019s find out exactly what a message header is, shall we?<\/p>\n<article id=\"general\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#General_Information\" >General Information<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#Microsoft_Outlook\" >Microsoft Outlook<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#Mac_Mail\" >Mac Mail<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#Mozilla_Thunderbird\" >Mozilla Thunderbird<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#Gmail\" >Gmail<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#Horde_Webmail\" >Horde (Webmail)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/zalvis.com\/docs\/how-to-view-e-mail-message-headers.html\/#RoundCube_Webmail\" >RoundCube (Webmail)<\/a><\/li><\/ul><\/nav><\/div>\n<h3 id=\"general-information\"><span class=\"ez-toc-section\" id=\"General_Information\"><\/span><strong>General Information<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The <strong>E-mail header <\/strong>is the source information (or source code) encapsulated within an E-mail message, which contains valuable information about how the message was encoded and by whom.<\/p>\n<p>For example, it will tell you why an E-mail transmission has failed.<\/p>\n<p>Here are a few pieces of information included inside the message header:<\/p>\n<ul>\n<li>The server from which an incoming E-mail originated<\/li>\n<li>The server towards an outgoing E-mail was sent<\/li>\n<li>Intended recipient<\/li>\n<li>IMAP, POP3, SMTP Port numbers<\/li>\n<li>Whether the E-mail was received or rejected by the recipient\u2019s E-mail server<\/li>\n<li>The reason why the server rejected the E-mail if that is the case<\/li>\n<li>Any other information sent by the mail server<\/li>\n<\/ul>\n<p>The header information may prove useful when trying to find out why a user is experiencing failed E-mail transit.<\/p>\n<\/article>\n<article id=\"howto\"><\/article>\n<p>Retrieving a copy of email headers is different from a mail client to mail client.<\/p>\n<h3 id=\"microsoft-outlook\"><span class=\"ez-toc-section\" id=\"Microsoft_Outlook\"><\/span>Microsoft Outlook<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"hts-messages hts-messages--alert hts-messages--withicon \">\n<p>Note: This demonstration is using Outlook 2010. Other versions may vary.<\/p>\n<\/div>\n<p>This demo assumes that you already have Outlook open.<\/p>\n<p>1) Open the message you wish to see the headers of by double-clicking it.<\/p>\n<p>2) Click the File menu<\/p>\n<p>3) Click the Properties button<\/p>\n<p>That\u2019s it! You can now see the full headers for the email you selected in step 1.<\/p>\n<h3 id=\"mac-mail\"><span class=\"ez-toc-section\" id=\"Mac_Mail\"><\/span>Mac Mail<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This demo assumes that you already have Mac Mail open.<\/p>\n<p>1) Click the email you wish to view the headers of<\/p>\n<p>2) Click View -&gt; Message -&gt; Headers<\/p>\n<p>That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n<h3 id=\"mozilla-thunderbird\"><span class=\"ez-toc-section\" id=\"Mozilla_Thunderbird\"><\/span>Mozilla Thunderbird<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This demo assumes that you already have Mozilla Thunderbird open.<\/p>\n<p>1) Single click the email you wish to see the headers of<\/p>\n<p>2) Click View<\/p>\n<p>3) Then click Message Source<\/p>\n<p>That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n<h3 id=\"gmail\"><span class=\"ez-toc-section\" id=\"Gmail\"><\/span>Gmail<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This demo assumes you are logged into your Gmail account.<\/p>\n<p>1) Open the email you wish to view the headers of<\/p>\n<p>2) Click the down arrow next to the reply button to bring up the options menu<\/p>\n<p>3) Then click show original<\/p>\n<p>That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n<h3 id=\"horde-webmail\"><span class=\"ez-toc-section\" id=\"Horde_Webmail\"><\/span>Horde (Webmail)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1) Log into Horde Webmail<\/p>\n<p>2) Open the email message<\/p>\n<p>3) Click the \u201cMessage Source\u201d link in the text menu at the top of the message.<\/p>\n<h3 id=\"roundcube-webmail\"><span class=\"ez-toc-section\" id=\"RoundCube_Webmail\"><\/span>RoundCube (Webmail)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This demo assumes that you are already logged into RoundCube<\/p>\n<p>1) Open the message you wish to see the headers of by double-clicking it.<\/p>\n<p>2) Click the arrow down to reveal the email headers.<\/p>\n<p>That\u2019s it! You can now see the full headers for the email you selected in step 1.<\/p>\n<div class=\"wzcqy69e1bebea980b\" >If you enjoyed this article, then you\u2019ll love Zalvis's Cloud Hosting platform. Turbocharge your website and get 24\/7 support from our veteran team. Our world-class hosting infrastructure focuses on auto-scaling, performance, and security. Let us show you the Zalvis difference! <a href=\"https:\/\/zalvis.com\/\">Check out our services.<\/a><\/div><style type=\"text\/css\">\r\n@media screen and (min-width: 1201px) {\r\n.wzcqy69e1bebea980b {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 993px) and (max-width: 1200px) {\r\n.wzcqy69e1bebea980b {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 769px) and (max-width: 992px) {\r\n.wzcqy69e1bebea980b {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (min-width: 768px) and (max-width: 768px) {\r\n.wzcqy69e1bebea980b {\r\ndisplay: block;\r\n}\r\n}\r\n@media screen and (max-width: 767px) {\r\n.wzcqy69e1bebea980b {\r\ndisplay: block;\r\n}\r\n}\r\n<\/style>\r\n","protected":false},"excerpt":{"rendered":"<p>In this short article, we will show you how to view E-mail message headers for different Webmail applications such as Horde and Roundcube. But first, let\u2019s find out exactly what a message header is, shall we? General Information The E-mail header is the source information (or source code) encapsulated within an E-mail message, which contains [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-218","post","type-post","status-publish","format-standard","hentry","category-email"],"_links":{"self":[{"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/posts\/218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/comments?post=218"}],"version-history":[{"count":2,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/posts\/218\/revisions"}],"predecessor-version":[{"id":220,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/posts\/218\/revisions\/220"}],"wp:attachment":[{"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/media?parent=218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/categories?post=218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zalvis.com\/docs\/wp-json\/wp\/v2\/tags?post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}