{"id":2163,"date":"2024-02-04T13:45:06","date_gmt":"2024-02-04T08:15:06","guid":{"rendered":"https:\/\/kdmarc.com\/blog\/?p=501"},"modified":"2024-08-12T11:49:53","modified_gmt":"2024-08-12T06:19:53","slug":"dkim","status":"publish","type":"post","link":"https:\/\/threatcop.com\/blog\/dkim\/","title":{"rendered":"DKIM Explained: Enhancing Email Security"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">\u201c<\/span><i><span style=\"font-weight: 400;\">According to <\/span><\/i><b><i>Google<\/i><\/b><i><span style=\"font-weight: 400;\">, in 2016, <\/span><\/i><b><i>86.8% of inbound emails were signed with DKIM<\/i><\/b><i><span style=\"font-weight: 400;\">. In <\/span><\/i><b><i>2013, it was 76.9%<\/i><\/b><i><span style=\"font-weight: 400;\">.<\/span><\/i><span style=\"font-weight: 400;\">\u201d<\/span><\/span><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue 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: #414141;color:#414141\" 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: #414141;color:#414141\" 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#What_is_DomainKeys_Identified_Mail_DKIM\" >What is DomainKeys Identified Mail (DKIM)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#What_is_the_Purpose_of_DKIM\" >What is the Purpose of DKIM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#How_Does_DKIM_Work\" >How Does DKIM Work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#What_is_DomainKeys_Identified_Mail_Record\" >What is DomainKeys Identified Mail Record?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Book_a_Free_Demo_Call_with_Our_People_Security_Expert\" >Book a Free Demo Call with Our People Security Expert<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Enter_your_details\" >Enter your details<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#How_is_DKIM_Implemented\" >How is DKIM Implemented?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Configure_Keys_Using_Best_Practices\" >Configure Keys Using Best Practices<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#How_DKIM_Helps_in_Identifying_Email_Forgery\" >How DKIM Helps in Identifying Email Forgery?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Benefits_of_DomainKeys_Identified_Mail\" >Benefits of DomainKeys Identified Mail<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#What_is_a_DKIM_Check\" >What is a DKIM Check?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Why_DomainKeys_Identified_Mail_Fails\" >Why DomainKeys Identified Mail Fails?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/threatcop.com\/blog\/dkim\/#Email_Security_is_a_Priority_and_TDMARC_is_the_Solution\" >Email Security is a Priority and TDMARC is the Solution<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">Source: Google Security<\/span><\/i><span style=\"font-weight: 400;\">)<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Organizations rely heavily on domain servers for getting email services and security measures associated with them. But email domain owners often come across several parameters that have led to the compromise of their email domain. These compromises can incur financial loss and data breaches. It is estimated that around <\/span><b>75% of cyber attacks begin with email<\/b><span style=\"font-weight: 400;\">. Business Email Compromise (BEC) attacks incurred a <\/span><b>loss of $1,866,642,107 globally in 2021<\/b><span style=\"font-weight: 400;\">. (<\/span><i><span style=\"font-weight: 400;\">Source: Channel e2e<\/span><\/i><span style=\"font-weight: 400;\">)<\/span><\/span><\/p>\n\n<style type=\"text\/css\">\n      @media print, screen and (max-width: 63.99875em){\n      .tnp-submit\n      width: 48%;\n      }\n      .wp-block-tnp-minimal{\n      padding: 20px;\n      }\n      .blog_para\n      margin-top: 4px !important;\n      line-height: 25px !important;\n      font-size: 15px !important;\n      }\n\n      }\n      .blog_para{\n      font-family: jost,sans-serif;\n      margin-top: 14px;\n      margin-bottom: 30px;\n      color: #fff;\n      font-size: 15px !important;\n      color: black !important;\n\n      }\n\n      .wp-block-tnp-minimal{\n      padding:20px;\n      border: 1px solid grey;\n      }\n\n      .tnp-submit a{\n        background: #1d58c7!important;\n    border-radius: 5px!important;\n    text-transform: inherit!important;\n    padding: 8px 25px!important;\n    font-weight: 600!important;\n    color: #fff!important;\n    width: 30%!important;\n    border: none;\n      }\n\n      .blog_get{\n      font-size: 24px !important;\n      font-weight: 700;\n      padding-bottom: 0px;\n    font-family: 'Poppins' !important;\n      margin-bottom: 0px;\n      margin-top: 0px;\n      margin-bottom: 0px !important;\n      color: white;\n          line-height: 30px;\n          color: white;\n      }\n      .row{\n             display: flex;\n    flex-wrap: wrap;\n    flex-direction: row;\n    padding: 25px 0px 25px 36px;\n    align-items: center;\n\n      }\n\n.colLeft{\n         flex-basis:50%;\n    -webkit-box-flex: 0;\n    flex-grow: 0;\n    max-width: 50%;\n    color: white;\n}\n    \n .colRight{\n       flex-basis: 45%;\n    -webkit-box-flex: 0;\n    flex-grow: 0;\n    max-width: 50%;\n }\n\n.tnp-subscription-minimal{\n    float: right;\n}\n<\/style>\n<div style=\"max-width: 741px; margin: 0 auto; background-image: url('https:\/\/awareness.threatcop.ai\/marketing\/linkedinlowerbanner.webp'); background-repeat: no-repeat; background-size: cover; background-position: center; \">\n<div class=\"row\">\n<div class=\"colLeft\">\n<p class=\"blog_get\" style=\"font-family: 'Poppins' !important; color: white !important\">Subscribe to Our Newsletter On Linkedin<\/p>\n<p class=\"blog_para\" style=\"font-size: 16px;font-family: 'Poppins' !important; color: white !important; margin-top: 10px; margin-bottom: 28px;line-height: 25px;\">Sign up to Stay Tuned with the Latest Cyber Security News and Updates<\/p>\n\n<div>\n<div class=\"tnp\" style=\"margin-bottom: 10px;\">\n            <form action=\"https:\/\/threatcop.com\/newsletter-thank-you\" method=\"get\" target=\"_blank\">\n<div class=\"tnp-submit\">\n                  <a class=\"libutton\" href=\"https:\/\/www.linkedin.com\/build-relation\/newsletter-follow?entityUrn=7062043746430783488\" target=\"_blank\" rel=\"noopener\">Subscribe<\/a><\/div>\n<\/form><\/div>\n<\/div>\n<\/div>\n<div class=\"colRight\">\n<div>\n<div class=\"tnp tnp-subscription-minimal \">\n            <img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/marketing\/newsletter-icon.webp\" class=\"img-fluid\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">In light of the <span style=\"color: #183994;\"><strong><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/new-anti-spam-policy\/\">new guidelines for email senders<\/a><\/strong><\/span> set by Google, effective from February 2024, it&#8217;s imperative for all organizations to implement DMARC. These guidelines, aimed at enhancing email safety and reducing spam, specifically require bulk email senders \u2013 defined as those sending over 5000 emails per day to Gmail \u2013 to adhere to best practices. This includes strong authentication protocols such as SPF, DKIM, and DMARC. The emphasis on DMARC is crucial as it guides receiving servers on handling messages that fail SPF or DKIM authentication, thereby securing email communication and safeguarding domain reputation.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">By incorporating DMARC, organizations can ensure compliance with these updated requirements, reinforcing their email security and maintain a positive sender reputation. This move is essential not just for meeting regulatory standards but also for establishing a more secure and trustworthy digital environment for business communications.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">There are numerous such cases where email insecurity has led to major cyber attacks in the organization. Thus, it has always been a concern of the cyber world to ensure the security of email and domain servers. In the same stream, it has become <\/span><b>essential to incorporate email authentication protocols<\/b><span style=\"font-weight: 400;\"> to instill <\/span><\/span><span style=\"color: #183994;\"><strong><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/email-security\/\" rel=\"noopener noreferrer\">email security<\/a><\/strong><\/span><span style=\"font-weight: 400; color: #000000;\">.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_DomainKeys_Identified_Mail_DKIM\"><\/span><span style=\"color: #000000;\"><strong>What is DomainKeys Identified Mail (DKIM)?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DomainKeys Identified Mail (DKIM) is an <\/span><b>email authorization mechanism that uses a signature-based technique to validate the email<\/b><span style=\"font-weight: 400;\">. The <span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/dkim\/\"><strong>DKIM<\/strong> <\/a><\/span>is one of the prominent email authentication techniques that infuse a digital signature with every email.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The primary objective of DomainKeys Identified Mail is to <\/span><b>make organizations accountable for their email delivery and its authenticity<\/b><span style=\"font-weight: 400;\">. It uses the \u201cpublic key cryptography\u201d approach to make sure that email is sent from a verified source and detect forgery.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_Purpose_of_DKIM\"><\/span><span style=\"color: #000000;\"><strong>What is the Purpose of DKIM?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The main purpose of implementing DKIM is <\/span><b>to improve the <\/b><\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/increase-domain-reputation-and-email-deliverability\/\" rel=\"noopener noreferrer\"><b>deliverability rate of emails<\/b><\/a><\/span><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">. It <\/span><b>prevents the organization from phishing and <\/b><\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/email-spoofing\/\" rel=\"noopener noreferrer\"><b>spoofing attacks<\/b><\/a><\/span><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">. Additionally, <\/span><b>it prevents cybercriminals from sending emails on the behalf of your organization\u2019s domain<\/b><span style=\"font-weight: 400;\">. The DKIM alone has some challenges and limitations. That\u2019s why they are implemented in addition to SPF and <\/span><\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/what-is-dmarc\/\" rel=\"noopener noreferrer\"><b>DMARC<\/b><\/a><\/span><span style=\"font-weight: 400; color: #000000;\">. All three of them together enhance the security of email services and domains.&nbsp;<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_DKIM_Work\"><\/span><span style=\"color: #000000;\"><strong>How Does DKIM Work?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The foremost activity of DKIM is to associate a series of email messages with a specific domain. A DKIM record is published on a DNS (Domain Name System) server to uphold the authenticity of the email.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The procedure of DKIM authentication is carried out using a public key which is published on a DNS record. The next element is <\/span><b>to allocate a private key with an email<\/b><span style=\"font-weight: 400;\">, which is included <\/span><b>in its header<\/b><span style=\"font-weight: 400;\">. This private key is a unique digital signature, specifically for a sender which is used for comparison and matching.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_DomainKeys_Identified_Mail_Record\"><\/span><span style=\"color: #000000;\"><strong>What is DomainKeys Identified Mail Record?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DomainKeys Identified Mail <\/span><b>utilizes the DNS TXT record with a special format<\/b><span style=\"font-weight: 400;\">. When a user sends an email, the record signs the email with a private key. Further, this <\/span><b>private key is validated by the public key, which is available in the DNS<\/b><span style=\"font-weight: 400;\"> (Domain Name System) in the form of a TXT record. The public key is used by the receiving server to verify and validate the email.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">These records can be revoked or renewed on the basis of providers. The <\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/spf-authentication\/\" rel=\"noopener noreferrer\"><b>Sender Policy Framework<\/b><\/a><\/span><span style=\"font-weight: 400; color: #000000;\"> (SPF) can register only 10 records while DKIM can store a huge number of records on the basis of multiple sending sources.<\/span><\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n\n<head>\n    <meta charset=\"UTF-8\">\n    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Document<\/title>\n<\/head>\n\n<style>\n    .interestedBtn {\n        width: 80% !important;\n        box-sizing: border-box !important;\n        display: inline-block !important;\n        padding: 11px !important;\n        border: 1px !important;\n        border-color: #ddd !important;\n        margin-top: 10px !important;\n        background-color: #183e8b !important;\n        background-image: none !important;\n        text-shadow: none !important;\n        color: #fff !important;\n        font-size: 14px !important;\n        line-height: 20px !important;\n        border-radius: 5px !important;\n        margin: 0 !important;\n        cursor: pointer !important;\n        box-shadow: 0px 4.66px 22.99px 0px rgba(0, 0, 0, 0.10);;\n    }\n\n\n        .formSec .formSecTwo{\n            padding-top: 15px !important;\n            margin-bottom: 30px !important;\n        }\n\n\n    .tnp-email {\n        width: 80% !important;\n        box-sizing: border-box;\n        padding: 8px 10px;\n        display: inline-block;\n        border: 1px solid #ced4da;\n        background: #fff;\n        color: #000 !important;\n        font-size: 13px;\n        line-height: 20px;\n        border-radius: 2px;\n        padding-right: 30px;\n        margin-bottom: 0px;\n    }\n\n    .formSec {\n        border: 1px solid #ced4da;\n        float: left !important;\n        width: 55% !important;\n    }\n\n    .mainBox {\n       \/* border: 1px solid #183e8b;*\/\n         background: white;\n        max-width: 600px !important;\n        margin: 0 auto !important;\n        padding: 20px !important;\n        font-family: Arial, Helvetica, sans-serif !important;\n    }\n\n    .boxDiv {\n        display: flex !important;\n    }\n\n    .boxConsult {\n        float: left !important;\n        width: 45% !important;\n        padding: 10px !important;\n    }\n\n    .formSecTwo {\n        text-align:center !important;\n        width: 100% !important;\n    }\n\n    .formHeading {\n        font-family: Arial, Helvetica, sans-serif;\n        margin-top: 0px;\n        font-weight: 700;\n        line-height: 25px;\n        font-size: 18px !important;\n        \n       margin-bottom: 60px !important;\n       color: #000!important;\n          margin-top: 5px !important;\n    }\n\n    .fieldHeading {\n        margin: 0 !important;\n        font-size: 13px !important;\n        text-align: left !important;\n        margin: 0px 39px 2px 93px !important;\n        font-weight: 500 !important;\n    }\n\n    .image {\n        max-width:90% !important;\n        height: auto !important;\n    }\n\n     .email-icon {\n            position: absolute;\n            right: 50px;\n             top: 20px;\n            transform: translateY(-50%);\n            pointer-events: none; \n        }\n\n          .email-container{\n             position: relative;\n         \n        }\n       \n\n        .email-icon img{\n                 width: 15px;\n        }\n\n\n         input::placeholder {\n            color:#495057;\n        }\n\n\n     ::placeholder {\n        color: #495057;\n    }\n\n        ::-ms-input-placeholder { \n          color:#495057;\n        }\n\n\n        input:-webkit-autofill {\n            background-color: transparent !important;\n            -webkit-box-shadow: 0 0 0px 1000px white inset !important; \n            box-shadow: 0 0 0px 1000px white inset !important;\n            color: #495057 !important; \n        }\n\n        \n        input {\n            color:#495057 !important;\n        }\n\n\n    @media screen and (max-width: 480px) {\n        .boxDiv {\n            display: block !important;\n            padding: 15px !important;\n         \n        }\n\n        .image{\n        width: 80% !important;\n         margin-bottom: 14px;\n        }\n        .fieldHeading {\n            text-align: left !important;\n            margin: unset !important;\n        }\n\n        .boxConsult {\n            width: unset !important;\n            float: none !important;\n        }\n\n        .mainBox {\n            border: unset !important;\n        }\n\n        .formSec {\n            float: unset !important;\n            width: 100% !important;\n        }\n\n        .formSecTwo {\n            text-align: center !important;\n        }\n\n        .tnp-email {\n            width: 90% !important;\n        }\n\n        .formHeading {\n            margin-bottom: unset !important;\n        }\n\n         .email-icon {\n            position: absolute;\n            right: 25px;\n            top: 58%;\n            transform: translateY(-50%);\n            pointer-events: none; \/* Make sure the icon doesn't block clicking on the input *\/\n        }\n       \n        .email-container{\n             position: relative;\n        }\n\n    }\n<\/style>\n\n<body>\n\n    <div class=\"mainBox\" box-sizing:=\"\" border-box;=\"\">\n\n        <div class=\"boxDiv\">\n\n            <div class=\"boxConsult\">\n                <div>\n                    <h3 class=\"formHeading\" style=\" font-size: 16px !important;\"><span class=\"ez-toc-section\" id=\"Book_a_Free_Demo_Call_with_Our_People_Security_Expert\"><\/span>\n                        Book a Free Demo Call with Our People Security Expert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n                <\/div>\n                <img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/form.svg\" class=\"image\">\n            <\/div>\n\n            <div class=\"formSec\">\n                <div class=\" formSecTwo\">\n                    <h4 style=\"margin-top: 0; font-size: 16px !important;\"><span class=\"ez-toc-section\" id=\"Enter_your_details\"><\/span>Enter your details<span class=\"ez-toc-section-end\"><\/span><\/h4>\n                    <div class=\"tnp tnp-subscription-minimal\">\n                        <form action=\"https:\/\/threatcop.com\/thankyou-blog\" method=\"get\" target=\"_blank\">\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n\n                                <input class=\"tnp-email\" type=\"text\" required=\"\" name=\"FullName\" value=\"\"\n                                    placeholder=\"Full Name\">\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon01.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n                               \n                                <input class=\"tnp-email\" type=\"email\" required=\"\" name=\"email\" value=\"\"\n                                    placeholder=\"Corporate Email Id\">\n                                     <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon02.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n                               \n                                <input class=\"tnp-email\" type=\"text\" required=\"\" name=\"CompanyName\" value=\"\"\n                                    placeholder=\"Company Name\">\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon03.svg\" class=\"img-fluid\" \/><\/span>\n\n                            <\/div>\n\n                            <div class=\"email-container\">\n                               \n                                <input class=\"tnp-email\" type=\"number\" required=\"\" name=\"Phone\" value=\"\"\n                                    placeholder=\"Phone No.\"><br>\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon04.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n                            <input type=\"hidden\" name=\"BlogForm\" value=\"BlogForm\"><br>\n                            <input class=\"tnp-submit interestedBtn\" name=\"submit\" type=\"submit\"\n                                value=\"SUBMIT\">\n\n                        <\/form>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div>\n\n<\/body>\n\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_is_DKIM_Implemented\"><\/span><span style=\"color: #000000;\"><strong>How is DKIM Implemented?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The DKIM record is implemented in the form of a <\/span><b>unique DNS TXT record<\/b><span style=\"font-weight: 400;\">. This <\/span><b>DNS TXT record contains a <\/b><b><i>public key<\/i><\/b><span style=\"font-weight: 400;\"> which becomes an <\/span><b>identifier for the sender&#8217;s domain server<\/b><span style=\"font-weight: 400;\">. So, when an email is sent, a unique private key is associated with it. This key is matched and verified against the public key, which is already present in the DNS.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The <strong>public key in the DNS will become a prominent checkpoint<\/strong> for every receiving email to verify whether it is authentic or spoofed. The DNS records keep expanding based on new providers and senders, as DKIM has the excellent feature of storing an unlimited number of records.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The whole procedure is streamlined based on the creation of a public and private key pair when the record is being set up for a particular domain. The <strong>selector is a collection of texts that is lodged in the email header through the \u201c<\/strong><\/span><strong><i>s=<\/i><\/strong><span style=\"font-weight: 400;\"><strong>\u201d tag while the email is sent<\/strong>.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The <strong>sent email contains the signature in the header of the email<\/strong> and after it is received, the <strong>signature is extracted from the header<\/strong>. The header will contain domain names, which will be explored in the DKIM record. The <strong>DNS TXT record contains the selector<\/strong> that holds the signature which will be reverted by DNS to the mail server of the receiver.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">In the DNS TXT record, this <strong>signature is supposed to be stored in the form of a public key<\/strong>. When both of the signatures are matched, then the email is authenticated.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Configure_Keys_Using_Best_Practices\"><\/span><span style=\"color: #000000;\"><strong>Configure Keys Using Best Practices<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">For organizations and email domain owners, it is always a concern to decide upon the practices that are needed to follow to <span style=\"color: #183994;\"><strong><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/configure-dkim\/\" rel=\"noopener noreferrer\">configure DKIM<\/a><\/strong><\/span>. These practices ensures the best mechanism to implement DKIM and record it in DNS.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_DKIM_Helps_in_Identifying_Email_Forgery\"><\/span><span style=\"color: #000000;\"><strong>How DKIM Helps in Identifying Email Forgery?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">This authorization is accomplished <\/span><b>with the help of public-key cryptography<\/b><span style=\"font-weight: 400;\">. A <\/span><b><i>private key is a kind of digital signature<\/i><\/b><span style=\"font-weight: 400;\"> that is digitally imprinted on every email domain. The receiving mail server performs the <\/span><b>validation through the DNS which consists of a public key<\/b><span style=\"font-weight: 400;\">.&nbsp;<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">This whole process <\/span><b>authenticates the genuineness of the emails<\/b><span style=\"font-weight: 400;\"> ensuring that it hasn&#8217;t been tampered with during the transition. Further, at the receiving end, the organization\u2019s email server completes the process of authentication by verifying the public key with the hash of the private key.&nbsp;&nbsp;<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_DomainKeys_Identified_Mail\"><\/span><span style=\"color: #000000;\"><strong>Benefits of DomainKeys Identified Mail<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DKIM helps in <\/span><b>increasing the reputation of a domain<\/b><\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">It also <\/span><b>improves the engagement rates<\/b><span style=\"font-weight: 400;\"> and <\/span><b>decreases the bounce rates<\/b><\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">It <\/span><b>restricts all the emails that are forged<\/b><span style=\"font-weight: 400;\"> and sorts them into spam<\/span><\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\">The biggest advantage is the rundown of whitelisting and blacklisting the email domains<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><b>Identification of forged email<\/b><span style=\"font-weight: 400;\"> reduces the burden on desk work<\/span><\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\">Automated channel of blocking most of the email phishing attacks<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_DKIM_Check\"><\/span><span style=\"color: #000000;\"><strong>What is a DKIM Check?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">DKIM check is a kind of investigative analysis of the domain. There are web-based applications that are used to check whether it is implemented or not. You can evaluate your domain on TDMARC\u2019s <\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/dmarc-record-checker\" rel=\"noopener noreferrer\"><b>DKIM checker<\/b><\/a><\/span><span style=\"font-weight: 400; color: #000000;\">. This tool verifies the presence of the DKIM record and validates it in the domain server.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_DomainKeys_Identified_Mail_Fails\"><\/span><span style=\"color: #000000;\"><strong>Why DomainKeys Identified Mail Fails?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The designation of DKIM fails only after the checker tools have evaluated the domain and found that it is absent. There are possible reasons why it fails and some of them are listed below.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400; color: #000000;\"><strong>Misalignment of DKIM<\/strong> signature from a domain with the sender (Header: From)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\"><strong>Incorrect DKIM public key<\/strong> record published in the DNS<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\"><strong>No DKIM public key<\/strong> record was published.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\"><strong>Domain DNS zone<\/strong> of the sender is unreachable.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400; color: #000000;\">The <strong>length of the DKIM key is too short<\/strong>. In present times, 1024-bit and 2048-bit keys are supported.<\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><i><span style=\"font-weight: 400;\">How can one ensure DKIM is implemented appropriately and in a simpler way? Let\u2019s dive into the Solution<\/span><\/i><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Email_Security_is_a_Priority_and_TDMARC_is_the_Solution\"><\/span><span style=\"color: #000000;\"><strong>Email Security is a Priority and TDMARC is the Solution<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DKIM has been useful for a long time <\/span><b>to enhance email security and domain reputation<\/b><span style=\"font-weight: 400;\">. Now, it has become an essential part of the email authentication standards in addition to <\/span><\/span><a href=\"https:\/\/threatcop.com\/blog\/spf-authentication\/\" rel=\"noopener noreferrer\"><b><span style=\"color: #183994;\">SPF<\/span><\/b><\/a><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">. DKIM and SPF authentication protocols are crucial for email security. Every organization must incorporate these protocols to ensure security of their email domain.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/threatcop.com\/tdmarc\" rel=\"noopener noreferrer\"><b><span style=\"color: #183994;\">TDMARC<\/span><\/b><\/a><span style=\"font-weight: 400; color: #000000;\"> is a popular and widely recognized tool that provides a sophisticated platform for implementing DMARC policies along with SPF. It has an interactive dashboard that allows you to hover across various aspects of DMARC policies and view extensive report on every domain. Thus, TDMARC allows organization administrators to control all the domains and associated mail servers.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em><span style=\"color: #000000;\"><strong>Editor\u2019s Note:<\/strong> This post was originally published in 9 February 2022 and has been partially revamped and updated for accuracy and comprehensiveness.<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cAccording to Google, in 2016, 86.8% of inbound emails were signed with DKIM. In 2013, it was 76.9%.\u201d (Source: Google Security) Organizations rely heavily on domain servers for getting email services and security measures associated with them. But email domain owners often come across several parameters that have led to the compromise of their email [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":7229,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-2163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dmarc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Domain Keys Identified Mail (DKIM): Email Security Protocol<\/title>\n<meta name=\"description\" content=\"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/threatcop.com\/blog\/dkim\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Domain Keys Identified Mail (DKIM): Email Security Protocol\" \/>\n<meta property=\"og:description\" content=\"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/threatcop.com\/blog\/dkim\/\" \/>\n<meta property=\"og:site_name\" content=\"Threatcop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Threatcop\/100083109892339\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-04T08:15:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-12T06:19:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Kumar Shantanu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@threatcop\" \/>\n<meta name=\"twitter:site\" content=\"@threatcop\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kumar Shantanu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/\"},\"author\":{\"name\":\"Kumar Shantanu\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#\\\/schema\\\/person\\\/fb68b06665d9ecb47912ab0c3768ff23\"},\"headline\":\"DKIM Explained: Enhancing Email Security\",\"datePublished\":\"2024-02-04T08:15:06+00:00\",\"dateModified\":\"2024-08-12T06:19:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/\"},\"wordCount\":1431,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/DKIM.webp\",\"articleSection\":[\"DMARC\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/\",\"name\":\"Domain Keys Identified Mail (DKIM): Email Security Protocol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/DKIM.webp\",\"datePublished\":\"2024-02-04T08:15:06+00:00\",\"dateModified\":\"2024-08-12T06:19:53+00:00\",\"description\":\"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#primaryimage\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/DKIM.webp\",\"contentUrl\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/DKIM.webp\",\"width\":1250,\"height\":1200,\"caption\":\"DomainKeys Identified Mail (DKIM)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/dkim\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"DKIM Explained: Enhancing Email Security\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/\",\"name\":\"Threatcop\",\"description\":\"Cybersecurity Blogs, News, Updates, and Articles\",\"publisher\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#organization\",\"name\":\"Threatcop\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/03\\\/cropped-original-logo-TC.png\",\"contentUrl\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/03\\\/cropped-original-logo-TC.png\",\"width\":951,\"height\":228,\"caption\":\"Threatcop\"},\"image\":{\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/people\\\/Threatcop\\\/100083109892339\\\/\",\"https:\\\/\\\/x.com\\\/threatcop\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/threatcop\\\/\",\"https:\\\/\\\/www.instagram.com\\\/threatcop_official\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/#\\\/schema\\\/person\\\/fb68b06665d9ecb47912ab0c3768ff23\",\"name\":\"Kumar Shantanu\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Shantanu-Image.jpeg\",\"url\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Shantanu-Image.jpeg\",\"contentUrl\":\"https:\\\/\\\/threatcop.com\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Shantanu-Image.jpeg\",\"caption\":\"Kumar Shantanu\"},\"description\":\"Senior Writer Shantanu is an accomplished content strategist and technology enthusiast at Threatcop Inc. With a knack for translating technical intricacies into reader-friendly narratives, Shantanu contributes to making cybersecurity insights both informative and enjoyable for tech enthusiasts and general audiences alike.\",\"sameAs\":[\"http:\\\/\\\/threatcop.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Domain Keys Identified Mail (DKIM): Email Security Protocol","description":"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/threatcop.com\/blog\/dkim\/","og_locale":"en_US","og_type":"article","og_title":"Domain Keys Identified Mail (DKIM): Email Security Protocol","og_description":"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.","og_url":"https:\/\/threatcop.com\/blog\/dkim\/","og_site_name":"Threatcop","article_publisher":"https:\/\/www.facebook.com\/people\/Threatcop\/100083109892339\/","article_published_time":"2024-02-04T08:15:06+00:00","article_modified_time":"2024-08-12T06:19:53+00:00","og_image":[{"width":1250,"height":1200,"url":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp","type":"image\/webp"}],"author":"Kumar Shantanu","twitter_card":"summary_large_image","twitter_creator":"@threatcop","twitter_site":"@threatcop","twitter_misc":{"Written by":"Kumar Shantanu","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/threatcop.com\/blog\/dkim\/#article","isPartOf":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/"},"author":{"name":"Kumar Shantanu","@id":"https:\/\/threatcop.com\/blog\/#\/schema\/person\/fb68b06665d9ecb47912ab0c3768ff23"},"headline":"DKIM Explained: Enhancing Email Security","datePublished":"2024-02-04T08:15:06+00:00","dateModified":"2024-08-12T06:19:53+00:00","mainEntityOfPage":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/"},"wordCount":1431,"commentCount":0,"publisher":{"@id":"https:\/\/threatcop.com\/blog\/#organization"},"image":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/#primaryimage"},"thumbnailUrl":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp","articleSection":["DMARC"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/threatcop.com\/blog\/dkim\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/threatcop.com\/blog\/dkim\/","url":"https:\/\/threatcop.com\/blog\/dkim\/","name":"Domain Keys Identified Mail (DKIM): Email Security Protocol","isPartOf":{"@id":"https:\/\/threatcop.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/#primaryimage"},"image":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/#primaryimage"},"thumbnailUrl":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp","datePublished":"2024-02-04T08:15:06+00:00","dateModified":"2024-08-12T06:19:53+00:00","description":"Domain Key Identified Mail (DKIM) is an email authorization mechanism that uses a signature-based technique to validate the email.","breadcrumb":{"@id":"https:\/\/threatcop.com\/blog\/dkim\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/threatcop.com\/blog\/dkim\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/threatcop.com\/blog\/dkim\/#primaryimage","url":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp","contentUrl":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/02\/DKIM.webp","width":1250,"height":1200,"caption":"DomainKeys Identified Mail (DKIM)"},{"@type":"BreadcrumbList","@id":"https:\/\/threatcop.com\/blog\/dkim\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/threatcop.com\/blog\/"},{"@type":"ListItem","position":2,"name":"DKIM Explained: Enhancing Email Security"}]},{"@type":"WebSite","@id":"https:\/\/threatcop.com\/blog\/#website","url":"https:\/\/threatcop.com\/blog\/","name":"Threatcop","description":"Cybersecurity Blogs, News, Updates, and Articles","publisher":{"@id":"https:\/\/threatcop.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/threatcop.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/threatcop.com\/blog\/#organization","name":"Threatcop","url":"https:\/\/threatcop.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/threatcop.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/03\/cropped-original-logo-TC.png","contentUrl":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/03\/cropped-original-logo-TC.png","width":951,"height":228,"caption":"Threatcop"},"image":{"@id":"https:\/\/threatcop.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/people\/Threatcop\/100083109892339\/","https:\/\/x.com\/threatcop","https:\/\/www.linkedin.com\/company\/threatcop\/","https:\/\/www.instagram.com\/threatcop_official\/"]},{"@type":"Person","@id":"https:\/\/threatcop.com\/blog\/#\/schema\/person\/fb68b06665d9ecb47912ab0c3768ff23","name":"Kumar Shantanu","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2024\/01\/Shantanu-Image.jpeg","url":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2024\/01\/Shantanu-Image.jpeg","contentUrl":"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2024\/01\/Shantanu-Image.jpeg","caption":"Kumar Shantanu"},"description":"Senior Writer Shantanu is an accomplished content strategist and technology enthusiast at Threatcop Inc. With a knack for translating technical intricacies into reader-friendly narratives, Shantanu contributes to making cybersecurity insights both informative and enjoyable for tech enthusiasts and general audiences alike.","sameAs":["http:\/\/threatcop.com"]}]}},"_links":{"self":[{"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/posts\/2163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/comments?post=2163"}],"version-history":[{"count":11,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/posts\/2163\/revisions"}],"predecessor-version":[{"id":11625,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/posts\/2163\/revisions\/11625"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/media\/7229"}],"wp:attachment":[{"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/media?parent=2163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/categories?post=2163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/threatcop.com\/blog\/wp-json\/wp\/v2\/tags?post=2163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}