{"id":2818,"date":"2017-10-12T12:44:28","date_gmt":"2017-10-12T16:44:28","guid":{"rendered":"https:\/\/www.pair.com\/support\/kb\/?p=2818"},"modified":"2025-06-25T11:35:24","modified_gmt":"2025-06-25T15:35:24","slug":"blocking-junk-mail-with-spf","status":"publish","type":"ht_kb","link":"https:\/\/www.pair.com\/support\/kb\/blocking-junk-mail-with-spf\/","title":{"rendered":"Blocking Junk Mail with SPF"},"content":{"rendered":"\n<p><span class=\"s1\"><a style=\"color:#fff; text-decoration:none!important;\" href=\"https:\/\/www.pair.com\/support\/kb\/tags\/shared-hosting\/\"><p style=\"background-color:#1a3d6e !important;color:#fff;padding:6px; display:inline-block!important;font-size:12px;font-weight:bold; border-radius:3px;\">Shared<\/p><\/a> <a style=\"color:#fff; text-decoration:none!important;\" href=\"https:\/\/www.pair.com\/support\/kb\/tags\/vps\/\"><p style=\"background-color:#1a3d6e !important;color:#fff;padding:6px; display:inline-block!important;font-size:12px;font-weight:bold; border-radius:3px;\">VPS<\/p><\/a> <a style=\"color:#fff; text-decoration:none!important;\" href=\"https:\/\/www.pair.com\/support\/kb\/tags\/qs-dedicated\/\"><p style=\"background-color:#1a3d6e !important;color:#fff;padding:6px; display:inline-block!important;font-size:12px; font-weight:bold; border-radius:3px;\">Dedicated<\/p><\/a> <a style=\"color:#fff; text-decoration:none!important;\" href=\"https:\/\/www.pair.com\/support\/kb\/tags\/wp-professional-plus\/\"><p style=\"background-color:#1a3d6e !important;color:#fff !important;padding:6px; display:inline-block!important;font-size:12px;font-weight:bold; border-radius:3px;\">WP Professional Plus<\/p><\/a> <\/span><\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-info\">WP Enthusiast and WP Professional accounts must enable the <a href=\"https:\/\/www.pair.com\/support\/kb\/adding-and-disabling-e-mail-service-for-wp-hosting\/\" target=\"_blank\" rel=\"noreferrer noopener\">Email Add On<\/a> before using this tutorial. <\/p>\n\n\n\n<p><span class=\"s1\"><\/span><span style=\"font-weight: 400;\">SPF, or \u201cSender Policy Framework,\u201d reduces the amount of junk mail you receive by preventing delivery of messages from forged sender addresses to your mailbox. <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For more information about how SPF works, check out our <\/span><a href=\"https:\/\/www.pair.com\/support\/kb\/what-is-an-spf\/\"><span style=\"font-weight: 400;\">What is an SPF Record?<\/span><\/a><span style=\"font-weight: 400;\"> article. <\/span><\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-danger\">Enabling SPF will affect all mailboxes on your account. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blocking Junk Mail with SPF<\/h3>\n\n\n\n<p>Choose the tutorial that reflects your ACC interface type:&nbsp;<\/p>\n\n\n\n<ul>\n<li><a href=\"#if-you-are-using-the-legacy-interface\">Legacy Interface<\/a><\/li>\n\n\n\n<li><a href=\"#if-you-are-using-the-new-acc-interface\">New ACC Interface<\/a><\/li>\n<\/ul>\n\n\n\n<p>Not sure what the difference is? See<a href=\"http:\/\/pair.com\/support\/kb\/which-acc-interface-am-i-using\/\"> Which ACC Interface Am I Using?&nbsp;<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">If you are using the Legacy interface:<\/h3>\n\n\n\n<ol>\n<li>Log in to the Account Control Center (ACC) at <a href=\"http:\/\/my.pair.com\/\">my.pair.com&nbsp;<\/a><\/li>\n\n\n\n<li>Click <strong>E-Mail<\/strong> in the left sidebar<\/li>\n\n\n\n<li>Click <strong>Manage Junk E-Mail Filter Settings<\/strong> in the drop-down<\/li>\n\n\n\n<li>Under <em>Sender Policy Framework (SPF)<\/em>, check the box next to&nbsp; <strong>Block messages that hard-fail SPF<\/strong> checks&nbsp;&nbsp;<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">If you are using the New ACC interface:&nbsp;<\/h3>\n\n\n\n<ol>\n<li>Log in to the Account Control Center (ACC) at <a href=\"http:\/\/my.pair.com\/\">my.pair.com&nbsp;<\/a><\/li>\n\n\n\n<li>In the top navigation bar, click <strong>Email<\/strong><\/li>\n\n\n\n<li>In the \u201cEmail Delivery Settings by Domain Name\u201d section, find the domain name that your email uses and click the<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXd_5zT_mny6kfvGajK8feBTLogIgo17BZfWK1UAlQgOLAaWYFfusEyh2GAkTF4MUvOOQJu36i12vF0UpgOqM55ILNnIJAmwdS6GoigyhvF6LJGIibzWqV1uFz8ChBfEtFMWXmUSeQ?key=3qROVKLGbK5jdibAuYvlf9D-\" width=\"30\" height=\"29\"> cog icon<\/li>\n\n\n\n<li>Click the <strong>SPF Settings<\/strong> button<\/li>\n\n\n\n<li>Click the <strong>Activate SPF <\/strong>button<\/li>\n<\/ol>\n\n\n\n<p>If you want SPF to automatically reject suspicious email, click the <strong>Change to hard fail <\/strong>button<\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">When SPF checking is turned on, it will check incoming mail. There are three results for SPF checked mail: <\/span><\/p>\n\n\n\n<ul>\n<li><b>Success<\/b><span style=\"font-weight: 400;\">: Successful mail does not break any SPF rules and will continue on through the normal junk filtering checks before being delivered to your mailbox. <\/span><\/li>\n\n\n\n<li><b>Hard Fail<\/b><span style=\"font-weight: 400;\">: Mail that hard fails breaks one or more SPF rules and is blocked. It will not enter the server. <\/span><\/li>\n\n\n\n<li><b>Soft Fail<\/b><span style=\"font-weight: 400;\">: Mail that soft fails breaks one or more SPF rules, but is allowed to enter the server as Junk. It will be treated according to the Junk delivery rules for the account. <\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">You can turn the SPF feature off by returning to the <\/span><b>Manage Junk E-Mail Filter Settings<\/b><span style=\"font-weight: 400;\"> and unchecking the box next to <\/span><b>Block messages that hard-fail SPF checks<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPF, or \u201cSender Policy Framework,\u201d reduces the amount of junk mail you receive by preventing delivery of messages from forged sender addresses to your mailbox. For more information about how SPF works, check out our What is an SPF Record? article. Blocking Junk Mail with SPF Choose the tutorial that&#8230;<\/p>\n","protected":false},"author":11,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":[],"ht-kb-category":[6],"ht-kb-tag":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Blocking Junk Mail with SPF - Knowledge Base - Pair Networks<\/title>\n<meta name=\"description\" content=\"SPF, or \u201cSender Policy Framework,\u201d reduces the amount of junk mail you receive by preventing delivery of messages from forged sender addresses to your mailbox.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pair.com\/support\/kb\/blocking-junk-mail-with-spf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blocking Junk Mail with SPF - 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