{"id":19691,"date":"2025-03-10T10:00:38","date_gmt":"2025-03-10T09:00:38","guid":{"rendered":"https:\/\/cyberinsights.iainfraser.net\/?p=19691"},"modified":"2026-04-28T11:23:12","modified_gmt":"2026-04-28T09:23:12","slug":"what-is-dkim","status":"publish","type":"post","link":"https:\/\/smecyberinsights.co.uk\/index.php\/2025\/03\/10\/what-is-dkim\/","title":{"rendered":"SME CYBER INTEL: What is DKIM – Does my Small Business have to be DKIM compliant?"},"content":{"rendered":"\t\t
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\"Partners1_NordVPN\"<\/figure><\/div>
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Helping Keep Small Business CYBERSafe!
\n<\/strong>Gibraltar: Friday 07 March 2025 at 10:00 CET<\/p>\n

SME CYBER INTEL:\u00a0 What is DKIM – Does my Small Business have to be DKIM compliant?<\/strong><\/b>
\nBy: Iain Fraser<\/a> – Cybersecurity Journalist<\/a>
\nCYBERInsights<\/a> \u2013\u00a0The UK Small Business Cybersecurity Network<\/a>
\n#CyberInsights #CyberSecurity #CyberAwareness #CyberSafe #SME #SmallBusiness #CyberSnippet<\/em><\/span><\/p>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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DomainKeys Identified Mail (DKIM<\/strong>) is an email authentication method that allows recipients to verify that an email was indeed sent by the owner of the domain and that its content hasn’t been altered during transit. It achieves this by adding a unique digital signature to each outgoing email, which is linked to the sender’s domain. When the email reaches its destination, the recipient’s email server uses this signature to confirm the email’s authenticity.
\nDOMAIN.COM<\/strong><\/a><\/p>\n

Why is DKIM Important for Small Businesses?<\/strong><\/p>\n

For small businesses, implementing DKIM<\/strong> offers several key benefits:<\/p>\n

Enhanced Email Deliverability<\/strong>: Emails that are authenticated using DKIM<\/strong> are less likely to be marked as spam, ensuring they reach the intended recipients.
\nDKIM-CHECKER.ORG<\/strong><\/a><\/p>\n

Protection Against Phishing and Spoofing:<\/strong> DKIM helps prevent malicious actors from sending emails that appear to come from your domain, thereby protecting your brand’s reputation.
\nDMARCREPORT.COM<\/strong><\/a><\/p>\n

Building Trust with Customers<\/strong>: Authenticated emails signal to customers that your communications are legitimate, fostering trust and credibility.
\nDKIM-CHECKER.ORG<\/strong><\/a><\/p>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Steps for Small Businesses to Implement DKIM<\/strong><\/p>\n

Check Your Email Service Provider’s DKIM<\/strong> Support: Most modern email service providers (ESPs<\/strong>) support DKIM<\/strong>. Consult your ESP’s<\/strong> documentation or customer support to understand their DKIM<\/strong> implementation process.<\/p>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Set Up Email Authentication Keys:
\n<\/strong>To ensure email authenticity, a unique digital signature is attached to outgoing messages. This process involves using two components: one that securely signs the email before sending and another that is made publicly available in domain settings for verification. Many email service providers offer built-in tools to facilitate this setup.<\/p>\n

Update Domain Settings for Verification:<\/strong>
\nTo enable authentication, a special record needs to be added to the domain’s settings. This record allows receiving email servers to verify that messages genuinely originate from the stated sender and have not been altered in transit.<\/p>\n

Configure Your Email Server to Sign Outgoing Emails:<\/strong>
\nEnsure that your email server or ESP<\/strong> is set up to sign all outgoing emails with the private key.<\/p>\n

Test Your DKIM Configuration:<\/strong>
\nUse online tools or services to verify that your DKIM<\/strong> setup is functioning correctly. This step ensures that your emails are being properly authenticated.<\/p>\n

By implementing DKIM<\/strong>, Small Businesses<\/strong> can significantly enhance their email security, improve deliverability rates, and maintain the trust of their customers.<\/p>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tLEARN MORE\/...<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Image Credit: IfOnlyCommunications<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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CYBER Insights \u2013 Helping Keep Small Business CYBERSafe!\u00a0<\/strong><\/p>\n

Launched in 2020 by\u00a0Cybersecurity Journalist<\/a>\u00a0Iain Fraser<\/strong>\u00a0and his team at\u00a0IfOnly…<\/strong><\/a> CYBERInsights<\/strong><\/a> was developed to be the go-to platform providing definitive, reliable & actionable Cybersecurity News, Intel,\u00a0 Awareness & Training specifically written and curated for Small Business<\/strong><\/a> & Enterprise Owners, Partners and Directors throughout the UK. #CyberInsights #CyberSecurity #CyberAttack #CyberAwareness\u00a0 #Compliance #DDoS #Fraud #Ransomware #ScamAlert #SME #SmallBusiness #SmallBusinessOwner #ThreatIntel <\/span><\/p>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"SME<\/figure><\/div>
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\"CyberAwareness_Glossary<\/figure><\/div>
\"SME<\/figure><\/div>
\"Ci_Infographic_Data<\/figure><\/div>
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\"CyberSnippet-RedTeaming<\/figure><\/div>
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<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Image_Credit_Freepik Image_Credit_Freepik LEARN MORE\/… Image Credit: IfOnlyCommunications<\/p>\n","protected":false},"author":1,"featured_media":22415,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"cybocfi_hide_featured_image":"yes","footnotes":""},"categories":[560,649],"tags":[425,616],"ppma_author":[505],"class_list":["post-19691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compliance","category-sme-cyber-intel","tag-compliance","tag-dkim"],"featured_image_urls":{"full":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1.jpg",1080,1080,false],"thumbnail":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-150x150.jpg",150,150,true],"medium":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-300x300.jpg",300,300,true],"medium_large":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-768x768.jpg",640,640,true],"large":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-1024x1024.jpg",640,640,true],"1536x1536":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1.jpg",1080,1080,false],"2048x2048":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1.jpg",1080,1080,false],"covernews-featured":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-1024x1024.jpg",1024,1024,true],"covernews-medium":["https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2025\/03\/CyberSnippet-DKIM-1-540x340.jpg",540,340,true]},"author_info":{"display_name":"Cybersecurity Journalist Iain Fraser","author_link":false},"category_info":"COMPLIANCE<\/a> SME CYBER INTEL<\/a>","tag_info":"SME CYBER INTEL","comment_count":"0","authors":[{"term_id":505,"user_id":1,"is_guest":0,"slug":"admin_yjdstq4n","display_name":"Cybersecurity Journalist Iain Fraser","avatar_url":{"url":"https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2024\/10\/index_image440-removebg-preview.png","url2x":"https:\/\/smecyberinsights.co.uk\/wp-content\/uploads\/2024\/10\/index_image440-removebg-preview.png"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/19691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=19691"}],"version-history":[{"count":21,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/19691\/revisions"}],"predecessor-version":[{"id":28141,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/19691\/revisions\/28141"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/media\/22415"}],"wp:attachment":[{"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=19691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=19691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=19691"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/smecyberinsights.co.uk\/index.php\/wp-json\/wp\/v2\/ppma_author?post=19691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}