{"id":24035,"date":"2025-10-02T09:59:06","date_gmt":"2025-10-02T09:59:06","guid":{"rendered":"https:\/\/1-grid.com\/knowledge\/how-do-i-prevent-email-spoofing-attacks\/"},"modified":"2025-10-02T10:01:51","modified_gmt":"2025-10-02T10:01:51","slug":"how-to-prevent-email-spoofing-attacks","status":"publish","type":"ht_kb","link":"https:\/\/1grid.co.za\/knowledge\/how-to-prevent-email-spoofing-attacks\/","title":{"rendered":"How to Prevent Email Spoofing Attacks"},"content":{"rendered":"\n<p>While you&nbsp;can\u2019t&nbsp;stop someone from&nbsp;attempting&nbsp;spoofing, you can&nbsp;<strong>protect yourself and your domain<\/strong>&nbsp;with the right mix of technology, vigilance, and safe practices.&nbsp;This guide walks you through what you must do and&nbsp;maintain&nbsp;to defend against spoofed senders and prevent email spoofing attacks.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"600\" src=\"https:\/\/1grid.co.za\/knowledge\/wp-content\/uploads\/2022\/02\/1-grid-Images-for-KB-Articles-1000-x-600-px-31.png\" alt=\"\" class=\"wp-image-33728\"\/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-ht-block-toc is-style-rounded htoc htoc--position-wide toc-list-style-plain\" data-htoc-state=\"expanded\"><span class=\"htoc__title\"><span class=\"ht_toc_title\">Table of Contents<\/span><span class=\"htoc__toggle\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\"><g fill=\"#444\"><path d=\"M15 7H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><path d=\"M15 1H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1zM15 13H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><\/g><\/svg><\/span><\/span><div class=\"htoc__itemswrap\"><ul class=\"ht_toc_list\"><li class=\"\"><a href=\"#htoc-111111111111111111111111111\">Why Prevention Matters&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-11\">1. Secure Your Domain with Email Authentication<\/a><\/li><li class=\"\"><a href=\"#htoc-111\">2. Practice Safe Browsing and Email Habits&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-1111111111\">3. Use Strong, Up-to-Date Antivirus and Security Tools&nbsp;<\/a><ul class=\"ht_toc_child_list\"><li class=\"\"><a href=\"#htoc-11111111111\">Recommended Antivirus Solutions (Paid)<\/a><\/li><li class=\"\"><a href=\"#htoc-11111111111111\">Free Antivirus Solutions<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#htoc-11111111111111111\">4. Educate and Empower Users&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-11111111111111111111\">5. Monitor and&nbsp;Maintain&nbsp;Ongoing Security&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-11111111111111111111111\">FAQs&nbsp;<\/a><\/li><li class=\"\"><a href=\"#htoc-111111111111111111111111111111\">Additional&nbsp;Resources&nbsp;<\/a><\/li><\/ul><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-111111111111111111111111111\"><strong>Why Prevention Matters&nbsp;<\/strong><\/h2>\n\n\n\n<p>Spoofed emails impersonating your domain can mislead recipients, damage your reputation, corrupt trust, or enable phishing&nbsp;scams&nbsp;through<strong>&nbsp;<a href=\"https:\/\/1grid.co.za\/knowledge\/what-is-email-spoofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">email spoofing<\/a><\/strong>. Ensuring your domain is protected helps safeguard your brand and improves email deliverability.&nbsp;<\/p>\n\n\n\n<p>The fraudulent emails often include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-\"><strong>Malicious links<\/strong>&nbsp;leading to fake login pages or fraudulent websites.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-infected-attachments-carrying-malware\"><strong>Infected attachments<\/strong>&nbsp;carrying malware.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-1\"><strong>Urgent requests<\/strong>&nbsp;to share sensitive data like passwords or credit card details.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><span style=\"color: #000000;\">While you can\u2019t prevent others from trying to impersonate known contacts to gain access to your personal information, there are things that you can do to avoid becoming a victim of spoofers.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">As a rule, a combination of domain authentication, safe browsing habits, and the best antivirus software is the only surefire way to improve the prevention of hackers from taking control of your data and your computer.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-11\"><strong>1. Secure Your Domain with Email Authentication<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-1111111\"><a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-enable-dkim-and-spf-on-your-mail-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>SPF<\/strong><\/a>: Publish an SPF record listing&nbsp;authorised&nbsp;mail servers for your domain.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-dkim-enable-cryptographic-signatures-for-all-outgoing-mail\"><a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-enable-dkim-and-spf-on-your-mail-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DKIM<\/strong><\/a>: Enable cryptographic signatures for all outgoing mail.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-dmarc-create-a-dmarc-policy-to-decide-what-happens-when-a-spoofed-message-fails-spf-dkim-checks-start-with-none-for-reporting-then-move-to-quarantine-or-reject\"><a href=\"https:\/\/1grid.co.za\/knowledge\/cpanel-how-to-add-dmarc-record\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DMARC<\/strong><\/a>: Create a DMARC policy to decide what happens when a spoofed message fails SPF\/DKIM checks. Start with \u201cnone\u201d for reporting, then move to \u201cquarantine\u201d or \u201creject.\u201d&nbsp;<\/li>\n\n\n\n<li id=\"htoc-11111111\"><strong>Regular&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/cpanel-how-to-manage-your-dns-zone-file\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DNS Checks<\/strong><\/a>: Remove outdated or conflicting MX\/TXT records and ensure SSL certificates match your mail server.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-111\"><strong>2. Practice Safe Browsing and Email Habits&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-1111\">Never click links or download attachments from emails that look suspicious, even if the sender seems familiar.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-11111\">Always&nbsp;<strong>check the sender\u2019s email address carefully<\/strong>&nbsp;because spoofers often mimic domains with small spelling changes (e.g.,&nbsp;<strong>1<\/strong>-grid.com vs&nbsp;<strong>l<\/strong>-grid.com).&nbsp;<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"514\" height=\"102\" src=\"https:\/\/1grid.co.za\/knowledge\/wp-content\/uploads\/2022\/02\/Banner-from-1-grid-Spoofing-or-Phishing.png\" alt=\"\" class=\"wp-image-33722\"\/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-111111\">Only share sensitive information (passwords, banking details) through encrypted sites with&nbsp;<strong>HTTPS<\/strong>&nbsp;in the URL.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-111111111\">If a trusted website suddenly looks different, avoid clicking or&nbsp;submitting&nbsp;information until you verify its legitimacy.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-1111111111\"><strong>3. Use Strong, Up-to-Date Antivirus and Security Tools&nbsp;<\/strong><\/h2>\n\n\n\n<p>Spoofed emails often carry&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Malware\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>malware<\/strong><\/a>. Installing and&nbsp;maintaining&nbsp;<strong>reliable&nbsp;<\/strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Antivirus_software\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>antivirus software<\/strong><\/a>&nbsp;gives you real-time protection against malicious downloads and suspicious sites.&nbsp;<\/p>\n\n\n\n<p><span style=\"color: #000000;\">Hackers often use different spoofing techniques to install malware on your computer, which is why you need to use the best antivirus software to protect your files and prevent email spoofing. A good antivirus program will provide real-time protection against viruses, worms, Trojans, and all other types of malicious software. To ensure optimal security, some of these programs will alert you whenever you try to access a suspicious website.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"htoc-11111111111\"><strong>Recommended Antivirus Solutions (Paid)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-111111111111\"><strong><a href=\"https:\/\/www.malwarebytes.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Malwarebytes<\/a>&nbsp;<\/strong><\/li>\n\n\n\n<li id=\"htoc-bitdefender1\"><strong><a href=\"https:\/\/www.google.com\/aclk?sa=L&amp;ai=DChsSEwiVh_nav4CQAxVZpFAGHcXZMPwYACICCAEQABoCZGc&amp;co=1&amp;ase=2&amp;gclid=CjwKCAjw_-3GBhAYEiwAjh9fUH2hjysxv_cESi6rDQQ-8novr8Mucms52MWal4IhADrl9xzmKKgO8BoCRSIQAvD_BwE&amp;cid=CAASNuRoMAxQBevWZ6PSen54rPuXFmAc_JaDX1Yiy7LnR1C8P4o-7qbDRWruATxH7tI5w8NvmgJ7mg&amp;cce=2&amp;category=acrcp_v1_32&amp;sig=AOD64_3Pwe-J6aFGq1CHpAoyu37BmTKAig&amp;q&amp;nis=4&amp;adurl&amp;ved=2ahUKEwiP1vPav4CQAxVlV0EAHXggDrUQ0Qx6BAgaEAE\" target=\"_blank\" rel=\"noreferrer noopener\">Bitdefender<\/a>&nbsp;<\/strong><\/li>\n\n\n\n<li id=\"htoc-norton-antivirus1\"><strong><a href=\"https:\/\/us.norton.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Norton Antivirus<\/a>&nbsp;<\/strong><\/li>\n\n\n\n<li id=\"htoc-mcafee1\"><strong><a href=\"https:\/\/www.mcafee.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">McAfee<\/a>&nbsp;<\/strong><\/li>\n\n\n\n<li id=\"htoc-1111111111111\"><strong><a href=\"https:\/\/www.kaspersky.co.za\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kaspersky<\/a>&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"htoc-11111111111111\"><strong>Free Antivirus Solutions<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-111111111111111\">&nbsp;<a href=\"https:\/\/www.avg.com\/en-us\/free-antivirus-download\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>AVG Free<\/strong><\/a>&nbsp;(For PC)&nbsp;<\/li>\n\n\n\n<li id=\"htoc-avg-free-for-all-devices\"><strong><a href=\"https:\/\/www.avg.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">AVG Free<\/a>&nbsp;<\/strong>(For All Devices)&nbsp;<\/li>\n\n\n\n<li id=\"htoc-microsoft-defender-built-into-windows\"><a href=\"https:\/\/apps.microsoft.com\/detail\/9p6pmztm93lr?hl=en-US&amp;gl=US\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Microsoft Defender<\/strong><\/a>&nbsp;(built into Windows)&nbsp;<\/li>\n\n\n\n<li id=\"htoc-totalav-free\"><strong><a href=\"https:\/\/www.totalav.com\/free-antivirus-software-2\" target=\"_blank\" rel=\"noreferrer noopener\">TotalAV&nbsp;Free<\/a>&nbsp;<\/strong><\/li>\n\n\n\n<li id=\"htoc-1111111111111111\"><strong><a href=\"http:\/\/www.lavasoft.com\/home.php\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lavasoft<\/a>&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>TIP:&nbsp;<\/strong>Choose a solution that provides real-time scanning, phishing protection, and suspicious website alerts.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-11111111111111111\"><strong>4. Educate and Empower Users&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-111111111111111111\">Train employees or family members to&nbsp;<a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-spot-a-scam-email\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>spot spoofing warning signs<\/strong><\/a>.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-create-a-process-for-reporting-suspicious-emails-quickly\">Create a process for reporting suspicious emails quickly.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-1111111111111111111\">Encourage use of password managers and two-factor authentication (2FA) to reduce risk even if credentials are phished.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-11111111111111111111\"><strong>5. Monitor and&nbsp;Maintain&nbsp;Ongoing Security&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"htoc-111111111111111111111\">Regularly review DMARC reports to spot unauthorised senders.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-rotate-dkim-keys-periodically\">Rotate DKIM keys periodically.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-update-antivirus-and-operating-systems-to-patch-vulnerabilities\">Update antivirus and operating systems to patch vulnerabilities.&nbsp;<\/li>\n\n\n\n<li id=\"htoc-1111111111111111111111\">Audit email and DNS configurations whenever you add new services or providers.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-11111111111111111111111\"><strong>FAQs&nbsp;<\/strong><\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Can spoofers still forge my domain even if I set up SPF, DKIM, and DMARC?<\/strong><\/summary>\n<p id=\"htoc-111111111111111111111111\">They can try, but to prevent email spoofing, you can properly configure authentication to ensure their emails are flagged or blocked, protecting your recipients and reputation.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Which antivirus software should I use to block spoofed attachments or malware?<\/strong><\/summary>\n<p id=\"htoc-1111111111111111111111111\">Paid solutions like Bitdefender, Malwarebytes, and Norton offer strong, real-time protection. Free tools like Microsoft Defender or AVG provide a good baseline.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>What should I do if I accidentally clicked on a spoofed email link?<\/strong><\/summary>\n<p id=\"htoc-11111111111111111111111111\">Immediately disconnect from the internet, run a full antivirus scan, change your passwords, and enable two-factor authentication. If sensitive data was entered, notify your bank or IT team.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Are free antivirus solutions enough protection?<\/strong><\/summary>\n<p id=\"htoc-1111111111111111111111111111\">Free antivirus software can provide basic protection, but premium solutions offer broader coverage (phishing filters, real-time web protection, ransomware defence).<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>How often should I update my DNS security records?<\/strong><\/summary>\n<p id=\"htoc-11111111111111111111111111111\">Review them whenever you add or remove email services, and at least once a year to confirm <a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-enable-dkim-and-spf-on-your-mail-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>SPF<\/strong><\/a>\/<a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-enable-dkim-and-spf-on-your-mail-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DKIM<\/strong><\/a>\/<a href=\"https:\/\/1grid.co.za\/knowledge\/cpanel-how-to-add-dmarc-record\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DMARC<\/strong><\/a> are current.<\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-111111111111111111111111111111\"><strong>Additional&nbsp;Resources&nbsp;<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/1grid.co.za\/knowledge\/what-is-email-spoofing\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>What Is Email Spoofing? How It Works and How to Protect Yourself&nbsp;<\/strong><\/a>&nbsp;&nbsp;<br><a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-spot-a-scam-email\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>How to Spot a Scam Email<\/strong><\/a><strong>&nbsp;<\/strong>&nbsp;<br><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=email+headers&amp;ht-kb-search=1&amp;lang=\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Email Headers FAQs<\/strong><\/a><br><a href=\"https:\/\/1grid.co.za\/knowledge\/cpanel-how-to-manage-your-dns-zone-file\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>How to Manage Your DNS Zone File via cPanel<\/strong><\/a><strong>&nbsp;<\/strong><br><a href=\"https:\/\/1grid.co.za\/knowledge\/how-to-enable-dkim-and-spf-on-your-mail-domain\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>How to Enable DKIM and SPF on Your Mail Domain<\/strong><\/a><strong>&nbsp;<\/strong>&nbsp;<br><a href=\"https:\/\/1grid.co.za\/knowledge\/why-ssl-the-purpose-of-using-ssl-certificates\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Why SSL? The Purpose of Using SSL Certificates<\/strong><\/a><strong>&nbsp;<\/strong><br><a href=\"https:\/\/1grid.co.za\/knowledge\/settings-to-configure-your-1grid-email-accounts-across-devices\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Settings to Configure Your 1-grid Email Accounts Across Devices<\/strong><\/a><strong>&nbsp;<\/strong><br><a href=\"https:\/\/1grid.co.za\/knowledge\/what-is-a-domain-name-server-dns\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>What is a Domain Name Server (DNS)?<\/strong><\/a><strong>&nbsp;<\/strong><br><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=mailchannels&amp;ht-kb-search=1&amp;lang=\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>MailChannels&nbsp;FAQs<\/strong><\/a><br><a href=\"https:\/\/1grid.co.za\/knowledge\/?s=spamtitan&amp;ht-kb-search=1&amp;lang=\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>SpamTitan FAQs<\/strong><\/a>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"htoc-1111111111111111111111111111111\"><strong>Need Additional Support?&nbsp;<\/strong><\/h2>\n\n\n\n<p><strong>We&#8217;re&nbsp;Here to&nbsp;<\/strong><a href=\"https:\/\/1grid.co.za\/knowledge\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Help<\/strong><\/a><strong>:<\/strong>&nbsp;<\/p>\n\n\n\n<p>Preventing&nbsp;spoofing attacks&nbsp;doesn\u2019t&nbsp;have to be a challenge with this easy-to-reference&nbsp;guide. Stuck?&nbsp;Contact our Support Team for&nbsp;guidance&nbsp;(<a href=\"https:\/\/1grid.co.za\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/1grid.co.za\/contact-us\/<\/strong><\/a>).&nbsp;We&#8217;re&nbsp;ready&nbsp;to see how we can help!&nbsp;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>While you&nbsp;can\u2019t&nbsp;stop someone from&nbsp;attempting&nbsp;spoofing, you can&nbsp;protect yourself and your domain&nbsp;with the right mix of technology, vigilance, and safe practices.&nbsp;This guide walks you through what you must do and&nbsp;maintain&nbsp;to defend against spoofed senders and prevent email spoofing attacks.&nbsp; Why Prevention Matters&nbsp; Spoofed emails impersonating your domain can mislead recipients, damage your&#8230;<\/p>\n","protected":false},"author":21,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"ht-kb-category":[1173,1193],"ht-kb-tag":[110,1479,305,306,336,344,480,766,891,942,944,945,1478],"class_list":["post-24035","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-email","ht_kb_category-email-setup-config","ht_kb_tag-attack","ht_kb_tag-best-practices","ht_kb_tag-dkim","ht_kb_tag-dmarc","ht_kb_tag-email","ht_kb_tag-email-hosting","ht_kb_tag-how-to","ht_kb_tag-prevent","ht_kb_tag-security","ht_kb_tag-spf","ht_kb_tag-spoof","ht_kb_tag-spoofing","ht_kb_tag-spoofing-prevention"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Prevent Email Spoofing Attacks - 1-grid Knowledge Base<\/title>\n<meta name=\"description\" content=\"Learn how to prevent email spoofing attacks on your 1-grid domain. 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