{"id":18885,"date":"2025-12-19T20:38:20","date_gmt":"2025-12-19T20:38:20","guid":{"rendered":"https:\/\/www.mailgun.com\/glossary\/spf-2\/"},"modified":"2026-09-08T23:24:07","modified_gmt":"2026-09-08T23:24:07","slug":"spf","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/pt\/glossary\/spf\/","title":{"rendered":"SPF (Sender Policy Framework)"},"content":{"rendered":"<h1>SPF (Sender Policy Framework)<\/h1>\n<p><span data-contrast=\"none\">O SPF, ou Sender Policy Framework, \u00e9 um <\/span><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/email-authentication-your-id-card-sending\/\"><span data-contrast=\"none\">protocolo de autentica\u00e7\u00e3o de e-mail<\/span><\/a><span data-contrast=\"none\">\u00a0que ajuda provedores de caixa de entrada a verificar se um e-mail que diz vir do seu dom\u00ednio est\u00e1 sendo enviado por um servidor que\u00a0<\/span><span data-contrast=\"none\">voc\u00ea<\/span><span data-contrast=\"none\">\u00a0autorizou.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Ele funciona por meio da publica\u00e7\u00e3o de um\u00a0<\/span><a href=\"https:\/\/www.mailgun.com\/blog\/deliverability\/spf-records-basics\/?utm_source=google&#038;utm_medium=cpc&#038;utm_campaign=NA%20%7C%20Brand&#038;utm_id=750089235&#038;utm_content=44926653532&#038;utm_term=mailgun%20transactional%20email&#038;gad_source=1&#038;gad_campaignid=750089235&#038;gbraid=0AAAAAofVncceW_Nvx3-twdaDpiReB3GU6&#038;gclid=EAIaIQobChMIyOben_nJkQMVuzYIBR2llSRdEAAYASAAEgJ4evD_BwE\"><span data-contrast=\"none\">registro SPF<\/span><\/a><span data-contrast=\"none\">\u00a0no DNS do seu\u00a0<\/span><span data-contrast=\"none\">dom\u00ednio<\/span><span data-contrast=\"none\">, que lista todos os endere\u00e7os IP ou dom\u00ednios que t\u00eam\u00a0<\/span><span data-contrast=\"none\">permiss\u00e3o para enviar e-mails em seu nome.<\/span><span data-contrast=\"none\">\u00a0Quando um e-mail chega, o servidor dos\u00a0destinat\u00e1rios\u00a0verifica o registro SPF para saber se o servidor de envio \u00e9 leg\u00edtimo.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Se houver correspond\u00eancia, o e-mail passa pelo\u00a0SPF.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Caso\u00a0<\/span><span data-contrast=\"none\">contr\u00e1rio<\/span><span data-contrast=\"none\">, o e-mail poder\u00e1 ser\u00a0<\/span><span data-contrast=\"none\">sinalizad<\/span><span data-contrast=\"none\">o<\/span><span data-contrast=\"none\">\u00a0ou rejeitado.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><strong>Observa\u00e7\u00e3o:<\/strong><span data-ccp-props=\"{\">\u00a0<\/span><span data-contrast=\"none\">O SPF protege apenas o Return-Path (reme<\/span><span data-contrast=\"none\">tente do envelope), e n\u00e3o o endere\u00e7o &#8220;De&#8221; vis\u00edvel.\u00a0<\/span><span data-contrast=\"none\">\u00c9 por isso<\/span><span data-contrast=\"none\">\u00a0que o\u00a0SPF sozinho\u00a0n\u00e3o \u00e9 suficiente para impedir o spoofing \u2013 ele precisa ser usado com o DMARC para prote\u00e7\u00e3o total.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">O SPF \u00e9 um dos\u00a0tr\u00eas principais\u00a0protocolos de autentica\u00e7\u00e3o, juntamente com o DKIM e o DMARC. Sem ele, seus e-mails t\u00eam maior probabilidade de se<\/span><span data-contrast=\"none\">rem filtrados, sinalizados ou totalmente bloqueados.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPF (Sender Policy Framework) O SPF, ou Sender Policy Framework, \u00e9 um protocolo de autentica\u00e7\u00e3o de e-mail\u00a0que ajuda provedores de caixa de entrada a verificar se um e-mail que diz vir do seu dom\u00ednio est\u00e1 sendo enviado por um servidor que\u00a0voc\u00ea\u00a0autorizou.\u00a0 Ele funciona por meio da publica\u00e7\u00e3o de um\u00a0registro SPF\u00a0no DNS do seu\u00a0dom\u00ednio, que lista [&hellip;]<\/p>\n","protected":false},"author":23,"template":"","meta":{"_acf_changed":false},"class_list":["post-18885","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sender Policy Framework \u2013 Gloss\u00e1rio de termos de e-mail | Mailgun<\/title>\n<meta name=\"description\" content=\"O SPF (Sender Policy Framework) \u00e9 um protocolo de autentica\u00e7\u00e3o que informa aos ISPs que voc\u00ea \u00e9 quem diz ser. 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