{"id":4528,"date":"2019-10-30T17:35:26","date_gmt":"2019-10-30T09:35:26","guid":{"rendered":"https:\/\/www.mondoze.com\/guide\/?post_type=kb&#038;p=4528"},"modified":"2022-10-08T19:02:15","modified_gmt":"2022-10-08T11:02:15","slug":"spf-sender-policy-framework","status":"publish","type":"kb","link":"https:\/\/www.mondoze.com\/guide\/kb\/spf-sender-policy-framework","title":{"rendered":"SPF (Sender Policy Framework)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4528\" class=\"elementor elementor-4528\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5467ce0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5467ce0d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-76afba\" data-id=\"76afba\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5fedff4 elementor-widget elementor-widget-heading\" data-id=\"5fedff4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SPF (Sender Policy Framework)<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4fdfe8 elementor-widget elementor-widget-text-editor\" data-id=\"f4fdfe8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>An extension of SMTP which stops email spammers from forging the &#8220;From&#8221; fields in an e-mail.\u00a0<\/p><p>Due to SMTP itself does not have the mechanism to authenticate, SPF provides the authentication scheme by specifying which computers are authorized to send email from a specific domain.To use SPF, the domain sending e-mails must establish an SPF record that is published in DNS records. When e-mail passes through the DNS server, it is compared to the SPF record for that domain to determine if the sender is authorized to send e-mails from that sender&#8217;s address. If the e-mail comes from a domain that is not authorized, the DNS server will not forward the e-mail to the expected destination.<\/p><p>SPF only stops the spammer from forging the &#8220;From&#8221; field in the e-mail and does not stop the spammer from sending e-mails from a domain in which it is a member.<\/p><p>To use SPF, the following standard have been declared.<\/p><p><strong>domain.com. IN TXT &#8220;v=spf1 include:spf.mschosting.com -all&#8221;<\/strong><\/p><p><strong><br \/><\/strong><br \/>From the rules,\u00a0<strong>v\u00a0<\/strong>stand for the version of SPF and currently available for spf1 (version 1) only.<\/p><p>Eight mechanisms are defined:<\/p><p>&#8211; ALL &#8211; Matches, used default result like -all<br \/>&#8211; A &#8211; A record that can be reach.<br \/>&#8211; IPv4 &#8211; IPv4 address range.<br \/>&#8211; IPv6 &#8211; IPv6 address range.<br \/>&#8211; MX &#8211; Mail Exchange record match.<br \/>&#8211; PTR &#8211; Reverse DNS (Record).<br \/>&#8211; EXISTS &#8211; If the given domain name resolves to other name.<br \/>&#8211; INCLUDE &#8211; Include policy.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>SPF (Sender Policy Framework) An extension of SMTP which stops email spammers from forging the &#8220;From&#8221; fields in an e-mail. Due to SMTP itself does not have the mechanism to authenticate, SPF provides the authentication scheme by specifying which computers are authorized to send email from a specific domain.To use SPF, the domain sending e-mails &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.mondoze.com\/guide\/kb\/spf-sender-policy-framework\"> <span class=\"screen-reader-text\">SPF (Sender Policy Framework)<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[127],"kbtag":[110],"mkb_version":[],"_links":{"self":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/4528"}],"collection":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/comments?post=4528"}],"version-history":[{"count":8,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/4528\/revisions"}],"predecessor-version":[{"id":21871,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/4528\/revisions\/21871"}],"wp:attachment":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/media?parent=4528"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kbtopic?post=4528"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kbtag?post=4528"},{"taxonomy":"mkb_version","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/mkb_version?post=4528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}