{"id":18890,"date":"2026-09-08T23:24:10","date_gmt":"2026-09-08T23:24:10","guid":{"rendered":"https:\/\/www.mailgun.com\/glossary\/spoofing-de-e-mail\/"},"modified":"2026-09-08T23:24:10","modified_gmt":"2026-09-08T23:24:10","slug":"spoofing-de-e-mail","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/pt\/glossary\/spoofing-de-e-mail\/","title":{"rendered":"Spoofing de e-mail"},"content":{"rendered":"<h1>Spoofing de e-mail<\/h1>\n<p><span data-contrast=\"none\">O spoofing de e-mail \u00e9 a pr\u00e1tica de falsificar cabe\u00e7alhos de e-mail \u2014 principalmente o endere\u00e7o &#8220;De&#8221; \u2014 para fazer com que uma mensagem pare\u00e7a ter sido enviada por outra pessoa.\u00a0<\/span><span data-contrast=\"none\">\u00c9<\/span><span data-contrast=\"none\"> comumente usado em campanhas de phishing e <\/span><span data-contrast=\"none\">golpes<\/span><span data-contrast=\"none\"> para se passar por marcas, organiza\u00e7\u00f5es ou pessoas de confian\u00e7a.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">O spoofing geralmente envolve:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"93\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Falsificar o endere\u00e7o de cabe\u00e7alho &#8220;De&#8221; (aquele vis\u00edvel para quem usa)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"93\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Pular ou falhar nas verifica\u00e7\u00f5es de autentica\u00e7\u00e3o (como SPF, DKIM e DMARC)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"93\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Enviar a partir de servidores ou IPs n\u00e3o autorizados para explorar a confian\u00e7a do dom\u00ednio<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">Os e-mails falsificados <\/span><span data-contrast=\"none\">n\u00e3o<\/span><span data-contrast=\"none\"> exigem acesso \u00e0 infraestrutura de quem est\u00e1 remetendo; eles dependem de uma autentica\u00e7\u00e3o de dom\u00ednio fraca ou ausente para passar despercebidos.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Habilitar o DMARC com pol\u00edticas rigorosas ajuda quem possui dom\u00ednios a evitar que terceiros n\u00e3o autorizados falsifiquem seu dom\u00ednio. Quem recebe tamb\u00e9m pode usar esses sinais de autentica\u00e7\u00e3o para rejeitar ou colocar mensagens suspeitas em quarentena.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spoofing de e-mail O spoofing de e-mail \u00e9 a pr\u00e1tica de falsificar cabe\u00e7alhos de e-mail \u2014 principalmente o endere\u00e7o &#8220;De&#8221; \u2014 para fazer com que uma mensagem pare\u00e7a ter sido enviada por outra pessoa.\u00a0\u00c9 comumente usado em campanhas de phishing e golpes para se passar por marcas, organiza\u00e7\u00f5es ou pessoas de confian\u00e7a.\u00a0 O spoofing geralmente [&hellip;]<\/p>\n","protected":false},"author":23,"template":"","meta":{"_acf_changed":false},"class_list":["post-18890","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>Spoofing de e-mail \u2013 Gloss\u00e1rio de termos de e-mail | Mailgun<\/title>\n<meta name=\"description\" content=\"Cibercriminosos usam o spoofing de e-mail para induzir as pessoas destinat\u00e1rias a abrir um e-mail de spam. 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