{"id":61431,"date":"2026-05-11T13:04:49","date_gmt":"2026-05-11T13:04:49","guid":{"rendered":"https:\/\/easydmarc.com\/blog\/?p=61431"},"modified":"2026-05-11T13:04:51","modified_gmt":"2026-05-11T13:04:51","slug":"ncsc-retiring-web-check-mail-check-march-2026","status":"publish","type":"post","link":"https:\/\/easydmarc.com\/blog\/ncsc-retiring-web-check-mail-check-march-2026\/","title":{"rendered":"NCSC is Completely Rtiring Web Check and Mail Check in March 2026"},"content":{"rendered":"\n<p>The UK\u2019s National Cyber Security Centre (NCSC) has announced that its Mail Check and Web Check services will be retired on 31 March 2026. <a href=\"https:\/\/easydmarc.com\/blog\/uks-ncsc-mail-check-changes-in-2025\/\" type=\"link\" id=\"https:\/\/easydmarc.com\/blog\/uks-ncsc-mail-check-changes-in-2025\/\" target=\"_blank\" rel=\"noreferrer noopener\">This follows the previous UK\u2019s NCSC Mail Check changes in 2025<\/a>. The UK\u2019s National Cyber Security Centre (NCSC) has announced that its Mail Check and Web Check services will be retired on 31 March 2026. These tools have helped public sector organizations monitor domain security, identify email authentication issues, and detect misconfigurations that could expose government systems to cyber threats.<\/p>\n\n\n\n<p>Mail Check, introduced to support the UK public sector\u2019s email security posture, provided visibility into authentication standards like DMARC and helped domain owners identify spoofing risks. Web Check performed similar monitoring for publicly accessible web infrastructure.<\/p>\n\n\n\n<p>However, the external attack surface management (EASM) market has matured significantly in recent years. With many commercial tools now offering broader visibility, deeper monitoring, and additional security checks, the NCSC has decided to phase out both services.<\/p>\n\n\n\n<p>Below, we break down what these changes mean for organizations that relied on Mail Check and what steps they should take next. These tools have helped public sector organizations monitor domain security, identify email authentication issues, and detect misconfigurations that could expose government systems to cyber threats.<\/p>\n\n\n\n<p>Mail Check, introduced to support the UK public sector\u2019s email security posture, provided visibility into authentication standards like DMARC and helped domain owners identify spoofing risks. Web Check performed similar monitoring for publicly accessible web infrastructure.<\/p>\n\n\n\n<p>However, the external attack surface management (EASM) market has matured significantly in recent years. With many commercial tools now offering broader visibility, deeper monitoring, and additional security checks, the NCSC has decided to phase out both services.<\/p>\n\n\n\n<p>Below, we break down what these changes mean for organizations that relied on Mail Check and what steps they should take next.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/uac.easydmarc.com\/realms\/easydmarc\/protocol\/openid-connect\/registrations?client_id=dmarc-app&amp;response_type=code&amp;scope=openid+email&amp;redirect_uri=https%3A%2F%2Fapp.easydmarc.com%2Flogin%2Fcallback&amp;ui_locales=US&amp;state=eyJ1c2VySXAiOiI1Ljc3LjE5OS4xMjIiLCJnb1VybCI6IiIsImxvZ2luT3B0aW9ucyI6e319\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"257\" src=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-1024x257.jpg\" alt=\"\" class=\"wp-image-49092\" srcset=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-1024x257.jpg 1024w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-300x75.jpg 300w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-768x192.jpg 768w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-1536x385.jpg 1536w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1-1200x301.jpg 1200w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560623-1.jpg 1544w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-dmarc-aggregate-reporting-and-how-does-it-work\"><strong>What is DMARC Aggregate Reporting and How Does it Work<\/strong><\/h2>\n\n\n\n<p>DMARC aggregate reports are XML documents that provide information about the authentication status of DMARC, SPF, and DKIM. This data is sent to the \u201crua\u201d address and contains no sensitive information about email messages, while it is also important to know <a href=\"https:\/\/easydmarc.com\/blog\/what-is-a-dmarc-failure-report\/\" type=\"link\" id=\"https:\/\/easydmarc.com\/blog\/what-is-a-dmarc-failure-report\/\" target=\"_blank\" rel=\"noreferrer noopener\">what is a DMARC failure report.<\/a><\/p>\n\n\n\n<p>They provide domain owners with summarized insights into how their domains are used across the email ecosystem. These reports help organizations monitor authentication results, detect unauthorized senders, and understand whether their DMARC policy is being applied correctly by receiving mail servers.<\/p>\n\n\n\n<p>These reports contain anonymized, aggregated data, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The volume of messages received<\/strong>: the total number of emails claiming to originate from your domain within the reporting period.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sources of messages (IP addresses)<\/strong>: the sending infrastructure or mail servers responsible for delivering those messages.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Authentication results (SPF and DKIM pass\/fail status)<\/strong>: whether the messages successfully passed authentication checks required for DMARC alignment.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Policy actions taken (none, quarantine, reject)<\/strong>: how receiving servers handled the messages based on the domain\u2019s DMARC policy.<\/li>\n<\/ul>\n\n\n\n<p>The reports are typically delivered in XML format once per day by each participating receiving server. Because these files contain large datasets and technical details, organizations often rely on specialized DMARC monitoring tools, such as <a href=\"https:\/\/easydmarc.com\/tools\/dmarc-report-analyzer\">EasyDMARC\u2019s XML Report Analyzer<\/a>, to parse the reports and convert them into readable insights for better <a href=\"https:\/\/easydmarc.com\/blog\/understanding-dmarc-reports\/\" type=\"link\" id=\"https:\/\/easydmarc.com\/blog\/understanding-dmarc-reports\/\" target=\"_blank\" rel=\"noreferrer noopener\">understanding DMARC reports.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-critical-importance-of-dmarc-reporting\"><strong><\/strong><strong><\/strong><strong>Critical Importance of DMARC Reporting<\/strong><\/h2>\n\n\n\n<p>DMARC aggregate reporting is essential for several reasons:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-visibility\"><strong><\/strong><strong><\/strong><strong><\/strong><strong>Visibility<\/strong><\/h3>\n\n\n\n<p>It provides a comprehensive view of all email traffic using your domain, including legitimate and illegitimate sources. Organizations can see which platforms, vendors, or internal systems are sending messages on their behalf. This visibility helps maintain a complete inventory of authorized senders.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-threat-intelligence\"><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong>Threat Intelligence<\/strong><\/h3>\n\n\n\n<p>It helps identify potential spoofing and phishing attempts targeting your organization. Security teams can analyze suspicious sending IP addresses and patterns across multiple reports. Repeated authentication failures from unknown infrastructure can signal ongoing impersonation campaigns.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-implementation-guidance\"><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong>Implementation Guidance<\/strong><\/h3>\n\n\n\n<p>It reveals configuration issues with your legitimate email systems that might affect deliverability. Authentication failures often indicate missing SPF entries, DKIM misconfigurations, or alignment problems. Aggregate reports help teams pinpoint which systems require adjustments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-compliance-verification\"><strong><\/strong><strong><\/strong><strong>Compliance Verification<\/strong><\/h3>\n\n\n\n<p>It confirms that your DMARC policy is working as intended and provides evidence for compliance requirements. This data can support internal security reviews and regulatory documentation. It also helps demonstrate that the organization actively monitors domain abuse risks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-confidence-in-enforcement\"><strong><\/strong><strong><\/strong><strong><\/strong><strong>Confidence in Enforcement<\/strong><\/h3>\n\n\n\n<p>It allows organizations to move safely to stricter policies such as quarantine or reject after analyzing traffic patterns. Security teams can verify that legitimate senders consistently pass authentication checks. This reduces the risk of accidentally blocking important business communications.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/easydmarc.com\/\"><img decoding=\"async\" width=\"1024\" height=\"256\" src=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-1024x256.jpg\" alt=\"\" class=\"wp-image-49096\" srcset=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-1024x256.jpg 1024w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-300x75.jpg 300w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-768x192.jpg 768w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-1536x384.jpg 1536w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1-1200x300.jpg 1200w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2025\/07\/Frame-1686560625-1.jpg 1544w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-current-industry-landscape\"><strong><\/strong><strong><\/strong><strong>Current Industry Landscape<\/strong><\/h2>\n\n\n\n<p>Email security has become increasingly critical with the rise of sophisticated phishing attacks. Many organizations still struggle with DMARC implementation despite its effectiveness. While DMARC adoption continues to grow globally, a large number of domains remain either unprotected or incorrectly configured, leaving them vulnerable to spoofing attacks.<\/p>\n\n\n\n<p>Several DMARC solutions exist in the marketplace. The better DMARC solutions like EasyDMARC offer not only visibility on the aggregate reports, but also advanced support and services to help you set up DMARC and reach a reject policy. This type of policy is the only DMARC policy that really protects you from email spoofing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-will-the-ncsc-change-affect-your-organization\"><strong><\/strong><strong><\/strong><strong>How Will the NCSC Change Affect Your Organization<\/strong><\/h2>\n\n\n\n<p>With the retirement of Mail Check and Web Check scheduled for 31 March 2026, organizations that relied on these services will need to adjust how they monitor and manage their email and web security posture. The change will introduce the following operational and security considerations:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-loss-of-automated-mail-check-and-web-check-findings\"><strong><\/strong><strong><\/strong><strong>Loss of Automated Mail Check and Web Check Findings<\/strong><\/h3>\n\n\n\n<p>After 31 March 2026, organizations will no longer receive security findings related to these services. This means issues related to email authentication, misconfigurations, or exposed services will no longer be automatically surfaced through the platform. Security teams will need alternative tools to maintain the same level of visibility.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-continued-alerts-from-other-ncsc-services\"><strong><\/strong><strong><\/strong><strong>Continued Alerts From Other NCSC Services<\/strong><\/h3>\n\n\n\n<p>Organizations subscribed to Early Warning and DNS Check will continue receiving findings through their MyNCSC accounts. However, these services cover only specific areas of cyber risk and do not replace the broader monitoring previously provided by Mail Check and Web Check.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-need-to-adopt-a-commercial-easm-solution\"><strong><\/strong><strong>Need to Adopt a Commercial EASM Solution<\/strong><\/h3>\n\n\n\n<p>The NCSC strongly recommends that organizations implement a commercial External Attack Surface Management (EASM) product before the retirement deadline. Many EASM platforms now combine capabilities similar to Mail Check and Web Check within a single solution, often providing additional monitoring features.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-evaluation-of-easm-vendors-and-capabilities\"><strong><\/strong><strong><\/strong><strong>Evaluation of EASM Vendors and Capabilities<\/strong><\/h3>\n\n\n\n<p>Organizations will need to assess which EASM product best fits their environment. The NCSC has published a buyer\u2019s guide outlining key evaluation questions and feature categories to help security teams select an appropriate solution, similar to how you would evaluate tools for <a href=\"https:\/\/easydmarc.com\/blog\/tools-for-data-loss-prevention-choose-wisely\/\" type=\"link\" id=\"https:\/\/easydmarc.com\/blog\/tools-for-data-loss-prevention-choose-wisely\/\" target=\"_blank\" rel=\"noreferrer noopener\">data loss prevention\u2014choose wisely.<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-greater-visibility-across-the-organization-s-attack-surface\"><strong><\/strong><strong><\/strong><strong><\/strong><strong>Greater Visibility Across the Organization\u2019s Attack Surface<\/strong><\/h3>\n\n\n\n<p>Modern EASM tools provide broader visibility into internet-facing assets, including DNS configurations, websites, certificates, and technologies used across an organization\u2019s infrastructure. This visibility helps identify misconfigurations or exposures that attackers could exploit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-expanded-security-analysis-capabilities\"><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong>Expanded Security Analysis Capabilities<\/strong><\/h3>\n\n\n\n<p>Many EASM products include automated checks for risks such as software vulnerabilities, email authentication weaknesses, and exposed services. These findings help organizations proactively identify and address security gaps across their digital footprint, which is one of the key <a href=\"https:\/\/easydmarc.com\/blog\/benefits-of-data-loss-prevention\/\" type=\"link\" id=\"https:\/\/easydmarc.com\/blog\/benefits-of-data-loss-prevention\/\" target=\"_blank\" rel=\"noreferrer noopener\">benefits of data loss prevention.<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-operational-features-for-managing-security-findings\"><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong>Operational Features For Managing Security Findings<\/strong><\/h3>\n\n\n\n<p>Advanced platforms also include dashboards, reporting tools, and workflow features that help teams track findings, assign ownership, and monitor remediation progress over time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-additional-domain-security-monitoring-through-ncsc-services\"><strong><\/strong><strong>Additional Domain Security Monitoring Through NCSC Services<\/strong><\/h3>\n\n\n\n<p>The NCSC also recommends subscribing to its Check your cyber security service, which analyzes email domains for anti-spoofing protections and email privacy controls. This helps ensure that domains are protected against impersonation attacks and that email communications remain secure in transit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-solution\"><strong><\/strong><strong><\/strong><strong>The Solution<\/strong><\/h2>\n\n\n\n<p>With Mail Check no longer offering valuable aggregate reporting, public sector organizations need an alternative DMARC reporting solution like EasyDMARC, which maintains this essential functionality, while remaining accessible to teams without specialized email security expertise.<br \/>Try out our free <a href=\"https:\/\/easydmarc.com\/tools\/dmarc-lookup\" target=\"_blank\" rel=\"noreferrer noopener\">DMARC checker<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-best-alternatives-for-dmarc-reporting\"><strong><\/strong><strong><\/strong><strong><\/strong><strong>Best Alternatives for DMARC Reporting<\/strong><\/h2>\n\n\n\n<p>Thankfully, there are easy ways to ensure you\u2019re still getting DMARC aggregate reports.<\/p>\n\n\n\n<p>Several security vendors offer free DMARC reporting solutions, understanding that widespread DMARC implementation creates a safer email environment for everyone. However, most of those solutions have very limited features or cover a very low email volume. They are not meant to be used by active public sector organizations that send and receive thousands of emails monthly.&nbsp;<\/p>\n\n\n\n<p>For comprehensive monitoring and maintenance, especially if you are not a DMARC expert, some providers offer managed services. These services include guided setup and ongoing support through consultations, as well as ensuring your domain remains at the \u201creject\u201d enforcement level, once reached, for optimal security.Our team at EasyDMARC has designed our platform to simplify the implementation process through clear guidance and visualizations that help security teams understand their email ecosystem without requiring specialist DMARC knowledge. On top of that, we offer top-class managed services, which is proven by the <a href=\"https:\/\/www.g2.com\/products\/easydmarc\/reviews\" target=\"_blank\" rel=\"noreferrer noopener\">high G2 scores<\/a> we receive for our technical support.\u00a0\u00a0<\/p>\n\n\n\n<p>The reporting transition can typically be completed by simply updating your domain\u2019s DMARC record to direct aggregate reports to EasyDMARC, a straightforward DNS change. This ensures that essential email security monitoring remains accessible regardless of budget constraints, allowing organizations of all sizes to maintain strong protection against domain-based email threats despite the upcoming changes. As an alternative to Mail Check\u2019s DMARC reporting service, we\u2019re committed to making DMARC adoption accessible to everyone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-try-easydmarc-to-set-up-your-dmarc-reporting\"><strong><\/strong><strong><\/strong><strong><\/strong><strong><\/strong><strong>Try EasyDMARC to Set Up Your DMARC Reporting<\/strong><\/h2>\n\n\n\n<p>Our comprehensive email authentication platform is designed to simplify DMARC implementation, monitoring, and maintenance. With features like automated reporting, real-time monitoring, and guided remediation, we remove the complexity from email security management.<\/p>\n\n\n\n<p>EasyDMARC provides significant value over costly DMARC solutions by offering clear visualizations of authentication results, identifying potential vulnerabilities, and highlighting configuration issues that might otherwise go unnoticed. In addition, we offer top-class managed services to ensure a hassle-free move from Mail Check\u2019s DMARC aggregate reporting and to guarantee none of your legitimate emails are rejected due to incorrect DMARC configuration.<\/p>\n\n\n\n<p><a href=\"https:\/\/easydmarc.com\/blog\/national-dmarc-enforcement-how-government-action-influences-email-security\/\" target=\"_blank\" rel=\"noreferrer noopener\">DMARC enforcement<\/a> has become increasingly critical as email-based threats continue to evolve and intensify. Recent changes to email authentication standards by major providers have made proper DMARC deployment not only beneficial but also necessary for reliable email delivery.\u00a0<\/p>\n\n\n\n<p>Try our platform for free today to secure your email ecosystem with our DMARC reporting services. Whether you\u2019re just beginning your email authentication journey or looking to enhance existing protocols, we provide the tools and insights needed to establish robust protection without the complexity typically associated with DMARC implementation.<br \/>Upload your XML report to our <a href=\"https:\/\/easydmarc.com\/tools\/dmarc-report-analyzer\" target=\"_blank\" rel=\"noreferrer noopener\">DMARC Report Analyzer<\/a> for a thorough evaluation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The UK\u2019s National Cyber Security Centre (NCSC) has &#8230;<\/p>\n","protected":false},"author":58,"featured_media":61437,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[203],"tags":[],"class_list":["post-61431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-security"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCSC Retires Mail Check and Web Check in 2026 | EasyDMARC<\/title>\n<meta name=\"description\" content=\"The UK NCSC will retire Mail Check and Web Check in March 2026. Learn how this impacts DMARC reporting, email security, and what alternatives organizations should consider.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/easydmarc.com\/blog\/ncsc-retiring-web-check-mail-check-march-2026\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCSC is Completely Rtiring Web Check and Mail Check in March 2026\" \/>\n<meta property=\"og:description\" content=\"The UK NCSC will retire Mail Check and Web Check in March 2026. 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