{"id":95,"date":"2008-11-02T21:38:01","date_gmt":"2008-11-02T20:38:01","guid":{"rendered":"http:\/\/www.tsls.co.uk\/?p=95"},"modified":"2026-03-11T10:43:46","modified_gmt":"2026-03-11T10:43:46","slug":"sender-policy-framework-spf","status":"publish","type":"post","link":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/","title":{"rendered":"Sender Policy Framework (SPF)"},"content":{"rendered":"<p>To help reduce spam, domain name owners should configure Sender Policy Framework (SPF). SPF allows email servers (which are configured) to identify messages which are allowed (or not) to use that domain name for sending emails. RFC 4408 defines SPF standards.<\/p>\n<p>SPF helps to reduce spam, for more information please see http:\/\/www.openspf.org\/Introduction<\/p>\n<p>http:\/\/www.microsoft.com\/mscorp\/safety\/content\/technologies\/senderid\/wizard\/default.aspx<\/p>\n<p>http:\/\/tools.bevhost.com\/spf\/<\/p>\n<p>http:\/\/en.wikipedia.org\/wiki\/Sender_Policy_Framework<\/p>\n<p>At minimum the following TXT record should be created in DNS<\/p>\n<p>TYPE: TXT<\/p>\n<p>RECORD Name: &lt;blank&gt;<\/p>\n<p>TEXT: v=spf1 a mx ~all<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To help reduce spam, domain name owners should configure Sender Policy Framework (SPF). SPF allows email servers (which are configured) to identify messages which are allowed (or not) to use that domain name for sending<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[21],"tags":[2061],"class_list":["post-95","post","type-post","status-publish","format-standard","hentry","category-microsoft","tag-spam-spf"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Sender Policy Framework (SPF) - TSLS - Luke Smith<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_GB\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Sender Policy Framework (SPF) - TSLS - Luke Smith\" \/>\r\n<meta property=\"og:description\" content=\"To help reduce spam, domain name owners should configure Sender Policy Framework (SPF). SPF allows email servers (which are configured) to identify messages which are allowed (or not) to use that domain name for sending\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/\" \/>\r\n<meta property=\"og:site_name\" content=\"TSLS - Luke Smith\" \/>\r\n<meta property=\"article:published_time\" content=\"2008-11-02T20:38:01+00:00\" \/>\r\n<meta property=\"article:modified_time\" content=\"2026-03-11T10:43:46+00:00\" \/>\r\n<meta name=\"author\" content=\"Luke Smith\" \/>\r\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Luke Smith\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/\",\"url\":\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/\",\"name\":\"Sender Policy Framework (SPF) - TSLS - Luke Smith\",\"isPartOf\":{\"@id\":\"https:\/\/www.tsls.co.uk\/#website\"},\"datePublished\":\"2008-11-02T20:38:01+00:00\",\"dateModified\":\"2026-03-11T10:43:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.tsls.co.uk\/#\/schema\/person\/e4d7dac4fe1b3f8df31f3857bb3ebda7\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.tsls.co.uk\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sender Policy Framework (SPF)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.tsls.co.uk\/#website\",\"url\":\"https:\/\/www.tsls.co.uk\/\",\"name\":\"TSLS - Luke Smith\",\"description\":\"- Knowledge - Thoughts - Microsoft -\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.tsls.co.uk\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.tsls.co.uk\/#\/schema\/person\/e4d7dac4fe1b3f8df31f3857bb3ebda7\",\"name\":\"Luke Smith\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.tsls.co.uk\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/29abc50f07a4ebe68cb4f31981884f89b2157d7e4ed63b09631d40c0717faa94?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/29abc50f07a4ebe68cb4f31981884f89b2157d7e4ed63b09631d40c0717faa94?s=96&d=mm&r=g\",\"caption\":\"Luke Smith\"},\"description\":\"I\u2019ve been working with Microsoft Technologies for over 20 years, my main focus now being Microsoft Online Services. I manage the Cloud Services at ElysianIT Limited and as a P-SELLER at Microsoft. I have worked with many organisations from SMC to Enterprise. I\u2019ve been working with Microsoft Technologies since DOS 5.0, to date I have been working on Microsoft\u2019s latest cloud technology Windows Azure, Windows 10 Office 365 and Microsoft SharePoint\",\"sameAs\":[\"http:\/\/www.tsls.co.uk\"],\"url\":\"https:\/\/www.tsls.co.uk\/index.php\/author\/luke\/\"}]}<\/script>\r\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sender Policy Framework (SPF) - TSLS - Luke Smith","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:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/","og_locale":"en_GB","og_type":"article","og_title":"Sender Policy Framework (SPF) - TSLS - Luke Smith","og_description":"To help reduce spam, domain name owners should configure Sender Policy Framework (SPF). SPF allows email servers (which are configured) to identify messages which are allowed (or not) to use that domain name for sending","og_url":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/","og_site_name":"TSLS - Luke Smith","article_published_time":"2008-11-02T20:38:01+00:00","article_modified_time":"2026-03-11T10:43:46+00:00","author":"Luke Smith","twitter_misc":{"Written by":"Luke Smith","Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/","url":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/","name":"Sender Policy Framework (SPF) - TSLS - Luke Smith","isPartOf":{"@id":"https:\/\/www.tsls.co.uk\/#website"},"datePublished":"2008-11-02T20:38:01+00:00","dateModified":"2026-03-11T10:43:46+00:00","author":{"@id":"https:\/\/www.tsls.co.uk\/#\/schema\/person\/e4d7dac4fe1b3f8df31f3857bb3ebda7"},"breadcrumb":{"@id":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.tsls.co.uk\/index.php\/2008\/11\/02\/sender-policy-framework-spf\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.tsls.co.uk\/"},{"@type":"ListItem","position":2,"name":"Sender Policy Framework (SPF)"}]},{"@type":"WebSite","@id":"https:\/\/www.tsls.co.uk\/#website","url":"https:\/\/www.tsls.co.uk\/","name":"TSLS - Luke Smith","description":"- Knowledge - Thoughts - Microsoft -","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.tsls.co.uk\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-GB"},{"@type":"Person","@id":"https:\/\/www.tsls.co.uk\/#\/schema\/person\/e4d7dac4fe1b3f8df31f3857bb3ebda7","name":"Luke Smith","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.tsls.co.uk\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/29abc50f07a4ebe68cb4f31981884f89b2157d7e4ed63b09631d40c0717faa94?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/29abc50f07a4ebe68cb4f31981884f89b2157d7e4ed63b09631d40c0717faa94?s=96&d=mm&r=g","caption":"Luke Smith"},"description":"I\u2019ve been working with Microsoft Technologies for over 20 years, my main focus now being Microsoft Online Services. I manage the Cloud Services at ElysianIT Limited and as a P-SELLER at Microsoft. I have worked with many organisations from SMC to Enterprise. I\u2019ve been working with Microsoft Technologies since DOS 5.0, to date I have been working on Microsoft\u2019s latest cloud technology Windows Azure, Windows 10 Office 365 and Microsoft SharePoint","sameAs":["http:\/\/www.tsls.co.uk"],"url":"https:\/\/www.tsls.co.uk\/index.php\/author\/luke\/"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2gf1k-1x","_links":{"self":[{"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/95","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=95"}],"version-history":[{"count":1,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/95\/revisions"}],"predecessor-version":[{"id":6438,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/95\/revisions\/6438"}],"wp:attachment":[{"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=95"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=95"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tsls.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=95"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}