{"id":5530,"date":"2025-12-19T20:00:31","date_gmt":"2025-12-19T20:00:31","guid":{"rendered":"https:\/\/mgcomdev.wpenginepowered.com\/glossary\/servidor-correo-electronico\/"},"modified":"2026-09-08T23:09:28","modified_gmt":"2026-09-08T23:09:28","slug":"agente-transferencia-email","status":"publish","type":"glossary","link":"https:\/\/www.mailgun.com\/es\/glosario\/agente-transferencia-email\/","title":{"rendered":"Agente de transferencia de email (MTA)"},"content":{"rendered":"<h1>Agente de transferencia de email (MTA)<\/h1>\n<p><span data-contrast=\"none\">Un MTA (agente de transferencia de email) es un software de servidor que env\u00eda, recibe y enruta mensajes de email por internet mediante SMTP (protocolo simple de transferencia de email). Los MTA se encargan del intercambio de email entre servidores en segundo plano; para ello, mueven los mensajes del dominio del remitente al del destinatario.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Al enviar un email, tu MTA se conecta al MTA del destinatario e intenta realizar la entrega. Por el camino, el mensaje puede pasar por varios MTA, y cada uno de ellos registra, pone en cola o enruta el email seg\u00fan las pol\u00edticas y la disponibilidad del servidor.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">En la infraestructura de email:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"73\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Los MTA<\/span><\/b><span data-contrast=\"none\"> transmiten mensajes<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"73\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Los MUA (agentes de usuario de email)<\/span><\/b><span data-contrast=\"none\"> son aplicaciones en el lado del cliente (por ejemplo, Outlook o Apple Mail)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"73\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Los MDA (agentes de entrega de email)<\/span><\/b><span data-contrast=\"none\"> almacenan los mensajes en las bandejas de entrada<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">Para los remitentes, los MTA:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"74\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Aplican protocolos de autenticaci\u00f3n (SPF, DKIM, DMARC)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"74\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Gestionan los reintentos y las respuestas de error (por ejemplo, los rebotes)<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"74\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Son evaluados por los proveedores de buzones de email en funci\u00f3n de su reputaci\u00f3n de env\u00edo<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">Mailgun funciona como un MTA y ofrece interfaces <a href=\"https:\/\/www.mailgun.com\/blog\/email\/diferencia-entre-smtp-y-api\/?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%20api&#038;gad_source=1&#038;gad_campaignid=750089235&#038;gbraid=0AAAAAofVncceW_Nvx3-twdaDpiReB3GU6&#038;gclid=EAIaIQobChMIufbQrLjKkQMVPDUIBR3b1h0tEAAYASAAEgJbs_D_BwE\">API y SMTP<\/a> para el env\u00edo.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Agente de transferencia de email (MTA) Un MTA (agente de transferencia de email) es un software de servidor que env\u00eda, recibe y enruta mensajes de email por internet mediante SMTP (protocolo simple de transferencia de email). Los MTA se encargan del intercambio de email entre servidores en segundo plano; para ello, mueven los mensajes del [&hellip;]<\/p>\n","protected":false},"author":1,"template":"","meta":{"_acf_changed":false},"class_list":["post-5530","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>Agente de transferencia de email (MTA): glosario de t\u00e9rminos de email | Mailgun<\/title>\n<meta name=\"description\" content=\"Un agente de transferencia de email (MTA) es un programa de un servidor de email que recibe y retransmite emails. 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