{"id":5518,"date":"2025-12-19T17:38:31","date_gmt":"2025-12-19T17:38:31","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/greylisting-3\/"},"modified":"2026-09-08T23:13:40","modified_gmt":"2026-09-08T23:13:40","slug":"greylisting","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/es\/glosario\/greylisting\/","title":{"rendered":"Greylisting"},"content":{"rendered":"<h1>Greylisting<\/h1>\n<p><span data-contrast=\"none\">El g<\/span><span data-contrast=\"none\">reylisting de emails es una t\u00e9cnica de filtrado de spam que utilizan algunos servidores de email receptores. Cuando se recibe un email de un remitente desconocido (es decir, una nueva combinaci\u00f3n de IP y dominio), el servidor lo rechaza temporalmente con un error 4xx, <\/span><span data-contrast=\"none\">lo que indica<\/span><span data-contrast=\"none\"> al remitente <\/span><span data-contrast=\"none\">que vuelva a intentarlo m\u00e1s t<\/span><span data-contrast=\"none\">arde.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Los remitentes leg\u00edtimos volver\u00e1n a intentar la entrega tras una breve demora, momento en el que el servidor receptor <\/span><span data-contrast=\"none\">permite<\/span><span data-contrast=\"none\"> que pase el mensaje. Muchos spammers y bots de baja calidad <\/span><span data-contrast=\"none\">no<\/span><span data-contrast=\"none\"> lo vuelven a intentar, por lo que el <\/span><span data-contrast=\"none\">greylisting<\/span><span data-contrast=\"none\"> act\u00faa como filtro pasivo para el spam b\u00e1sico.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><strong>Puntos clave:\u00a0<\/strong><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">El greylisting<\/span><span data-contrast=\"none\"> lo utilizan los destinatarios, no los remitentes.\u00a0<\/span><span data-contrast=\"none\">Es<\/span><span data-contrast=\"none\"> un mecanismo de filtrado, no algo que los clientes de <\/span><span data-contrast=\"none\">Mailgun<\/span><span data-contrast=\"none\"> puedan aplicar.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Puede provocar ligeros retrasos en la entrega de los primeros <\/span><span data-contrast=\"none\">env\u00edos<\/span><span data-contrast=\"none\"> desde una IP o dominio nuevos.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Un<\/span><span data-contrast=\"none\">a vez que el remitente es \u201cconocido\u201d, los siguientes mensajes suelen evitar el retraso.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Mailgun<\/span><span data-contrast=\"none\"> vuelve a intentar autom\u00e1ticamente la entrega de los mensajes aplazados como parte de su proceso de entrega est\u00e1ndar, por lo que la mayor\u00eda de los clientes <\/span><span data-contrast=\"none\">no<\/span><span data-contrast=\"none\"> necesitan realizar ninguna acci\u00f3n.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Greylisting El greylisting de emails es una t\u00e9cnica de filtrado de spam que utilizan algunos servidores de email receptores. Cuando se recibe un email de un remitente desconocido (es decir, una nueva combinaci\u00f3n de IP y dominio), el servidor lo rechaza temporalmente con un error 4xx, lo que indica al remitente que vuelva a intentarlo [&hellip;]<\/p>\n","protected":false},"author":1,"template":"","meta":{"_acf_changed":false},"class_list":["post-5518","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>Greylisting: glosario de t\u00e9rminos de email | Mailgun<\/title>\n<meta name=\"description\" content=\"El greylisting es un m\u00e9todo de filtrado de emails que reduce el spam. 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