{"id":11,"date":"2026-09-28T11:25:14","date_gmt":"2026-09-28T08:25:14","guid":{"rendered":"https:\/\/mx1mail.com\/blog\/what-are-spf-dkim-and-dmarc\/"},"modified":"2026-09-28T11:25:14","modified_gmt":"2026-09-28T08:25:14","slug":"what-are-spf-dkim-and-dmarc","status":"publish","type":"post","link":"https:\/\/mx1mail.com\/blog\/en\/what-are-spf-dkim-and-dmarc\/","title":{"rendered":"What Are SPF, DKIM and DMARC?"},"content":{"rendered":"<p>SPF, DKIM and DMARC are important technologies used to authenticate email and protect business domains from spoofing.<\/p>\n<h2>What is SPF?<\/h2>\n<p>SPF specifies which mail servers are authorized to send email on behalf of a domain.<\/p>\n<h2>What is DKIM?<\/h2>\n<p>DKIM adds a cryptographic signature to outgoing messages so receiving systems can verify that the message has not been altered.<\/p>\n<h2>What is DMARC?<\/h2>\n<p>DMARC builds on SPF and DKIM and defines how receiving systems should handle messages that fail authentication checks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A simple explanation of SPF, DKIM and DMARC and how these technologies help protect business email domains.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[106,111,101],"class_list":["post-11","post","type-post","status-publish","format-standard","hentry","category-technical-guides","tag-dkim-en","tag-dmarc-en","tag-spf-en"],"_links":{"self":[{"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/posts\/11","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/comments?post=11"}],"version-history":[{"count":0,"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/posts\/11\/revisions"}],"wp:attachment":[{"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/media?parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/categories?post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mx1mail.com\/blog\/wp-json\/wp\/v2\/tags?post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}