{"id":955,"date":"2018-05-03T13:08:39","date_gmt":"2018-05-03T13:08:39","guid":{"rendered":"https:\/\/chemicloud.com\/kb\/?post_type=article&p=955"},"modified":"2020-08-09T19:48:02","modified_gmt":"2020-08-09T19:48:02","slug":"view-e-mail-message-headers","status":"publish","type":"ht_kb","link":"https:\/\/chemicloud.com\/kb\/article\/view-e-mail-message-headers\/","title":{"rendered":"How to View E-Mail Message Headers"},"content":{"rendered":"

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

But first, let’s find out exactly what a message header is, shall we?<\/p>\n

\n

General information<\/strong><\/h3>\n

The 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

For example, it will tell you why an E-mail transmission has failed.<\/p>\n

Here are a few pieces of information included inside the message header:<\/p>\n

    \n
  • The server from which an incoming E-mail originated<\/li>\n
  • The server towards an outgoing E-mail was sent<\/li>\n
  • Intended recipient<\/li>\n
  • IMAP, POP3, SMTP Port numbers<\/li>\n
  • Whether the E-mail was received or rejected by the recipient\u2019s E-mail server<\/li>\n
  • The reason why the server rejected the E-mail if that is the case<\/li>\n
  • Any other information sent by the mail server<\/li>\n<\/ul>\n

    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>\n

    Retrieving a copy of email headers is different from a mail client to mail client.<\/p>\n

    Microsoft Outlook<\/h3>\n \t\t
    \r\n \t\t\t \t\t\t \t\t\t\t

    \r\n \t\t\t\t\tNote: This demonstration is using Outlook 2010. Other versions may vary. \t\t\t\t<\/p>\r\n \t\t\t \t\t\t\r\n \t\t<\/div>\r\n \t\t\n

    This demo assumes that you already have Outlook open.<\/p>\n

    1) Open the message you wish to see the headers of by double-clicking it.<\/p>\n

    2) Click the File menu<\/p>\n

    3) Click the Properties button<\/p>\n

    That\u2019s it! You can now see the full headers for the email you selected in step 1.<\/p>\n

    Mac Mail<\/h3>\n

    This demo assumes that you already have Mac Mail open.<\/p>\n

    1) Click the email you wish to view the headers of<\/p>\n

    2) Click View -> Message -> Headers<\/p>\n

    That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n

    Mozilla Thunderbird<\/h3>\n

    This demo assumes that you already have Mozilla Thunderbird open.<\/p>\n

    1) Single click the email you wish to see the headers of<\/p>\n

    2) Click View<\/p>\n

    3) Then click Message Source<\/p>\n

    That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n

    Gmail<\/h3>\n

    This demo assumes you are logged into your Gmail account.<\/p>\n

    1) Open the email you wish to view the headers of<\/p>\n

    2) Click the down arrow next to the reply button to bring up the options menu<\/p>\n

    3) Then click show original<\/p>\n

    That\u2019s it! You can now see the full headers for the email you selected.<\/p>\n

    Horde (Webmail)<\/h3>\n

    1) Log into Horde Webmail<\/p>\n

    2) Open the email message<\/p>\n

    3) Click the \u201cMessage Source\u201d link in the text menu at the top of the message.<\/p>\n

    RoundCube (Webmail)<\/h3>\n

    This demo assumes that you are already logged into RoundCube<\/p>\n

    1) Open the message you wish to see the headers of by double-clicking it.<\/p>\n

    2) Click the arrow down to reveal the email headers.<\/p>\n

    That\u2019s it! You can now see the full headers for the email you selected in step 1.<\/p>\n","protected":false},"excerpt":{"rendered":"

    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’s 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…<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"ht-kb-category":[188],"ht-kb-tag":[],"class_list":["post-955","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-support-resources"],"_links":{"self":[{"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb\/955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/comments?post=955"}],"version-history":[{"count":5,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb\/955\/revisions"}],"predecessor-version":[{"id":3357,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb\/955\/revisions\/3357"}],"wp:attachment":[{"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/media?parent=955"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb-category?post=955"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/chemicloud.com\/kb\/wp-json\/wp\/v2\/ht-kb-tag?post=955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}