{"id":182,"date":"2012-02-03T13:03:09","date_gmt":"2012-02-03T12:03:09","guid":{"rendered":"http:\/\/www.alvaromarin.com\/?p=182"},"modified":"2012-02-03T13:03:09","modified_gmt":"2012-02-03T12:03:09","slug":"dmarc-domain-based-message-authentication-reporting-conformance","status":"publish","type":"post","link":"http:\/\/www.alvaromarin.com\/2012\/02\/03\/dmarc-domain-based-message-authentication-reporting-conformance\/","title":{"rendered":"DMARC: Domain-based Message Authentication, Reporting &#038; Conformance"},"content":{"rendered":"<p>Un grupo de empresas de la \u00ab\u00e9lite\u00bb actual de Internet, entre las que est\u00e1n Google, Microsoft, Facebook y Paypal, han anunciado una nueva especificaci\u00f3n t\u00e9cnica colaborativa llamada <a href=\"http:\/\/www.dmarc.org\" target=\"_blank\">DMARC<\/a> \u00abDomain-based Message Authentication, Reporting &#038; Conformance\u00bb.<\/p>\n<p>Se trata de un nuevo protocolo mediante el cu\u00e1l, un emisor que usa SPF y\/o DKIM, puede indicar qu\u00e9 hacer si alguno de estos dos tests falla (n\u00f3tese aqu\u00ed la diferencia con el \u00abhardfail\u00bb, \u00absoftfail\u00bb&#8230;etc de SPF) al llegar a un destinatario que consulte DMARC y es m\u00e1s, se establece un canal de comunicaci\u00f3n para que el destinatario pueda reportar esos emails al propietario del dominio emisor, con el fin de que \u00e9ste por ejemplo, pueda investigar los posibles casos de env\u00edos fraudulentos, phishing&#8230;etc y atajarlos de forma r\u00e1pida.<\/p>\n<p>Existe ya un extenso <a href=\"http:\/\/dmarc.org\/draft-dmarc-base-00-01.html\" target=\"_blank\">draft<\/a> al respecto que habr\u00e1 que ir mirando, ya que la idea parece interesante. El modo de publicaci\u00f3n de las pol\u00edticas DMARC para un determinado dominio, es similar a las de SPF, mediante un registro TXT en el DNS, por ejemplo:<\/p>\n<p>\u00abv=DMARC1;p=reject;pct=100;rua=mailto:postmaster@alvaromarin.com\u00bb<\/p>\n<p>en el que se indica la pol\u00edtica a aplicar por los destinatarios de mensajes de este dominio cuyos tests SPF\/DKIM fallen (\u00abreject\u00bb en este caso),  el porcentaje de mensajes a los que aplicar esta pol\u00edtica (100%) y la direcci\u00f3n donde enviar los reportes para ser analizados.<\/p>\n<p>Habr\u00e1 que seguir de cerca esta iniciativa.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grupo de empresas de la \u00ab\u00e9lite\u00bb actual de Internet, entre las que est\u00e1n Google, Microsoft, Facebook y Paypal, han anunciado una nueva especificaci\u00f3n t\u00e9cnica colaborativa llamada DMARC \u00abDomain-based Message Authentication, Reporting &#038; Conformance\u00bb. Se trata de un nuevo protocolo &hellip; <a href=\"http:\/\/www.alvaromarin.com\/2012\/02\/03\/dmarc-domain-based-message-authentication-reporting-conformance\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,3],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DMARC: Domain-based Message Authentication, Reporting &amp; Conformance - www.alvaromarin.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.alvaromarin.com\/2012\/02\/03\/dmarc-domain-based-message-authentication-reporting-conformance\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DMARC: Domain-based Message Authentication, Reporting &amp; Conformance - www.alvaromarin.com\" \/>\n<meta property=\"og:description\" content=\"Un grupo de empresas de la \u00ab\u00e9lite\u00bb actual de Internet, entre las que est\u00e1n Google, Microsoft, Facebook y Paypal, han anunciado una nueva especificaci\u00f3n t\u00e9cnica colaborativa llamada DMARC \u00abDomain-based Message Authentication, Reporting &#038; Conformance\u00bb. 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