{"id":117327,"date":"2024-07-11T15:43:21","date_gmt":"2024-07-11T13:43:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-pochtovogo-servera-exim-4-98"},"modified":"2024-07-11T15:43:21","modified_gmt":"2024-07-11T13:43:21","slug":"novaya-versiya-pochtovogo-servera-exim-4-98","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-98","title":{"rendered":"Nueva versi\u00f3n del servidor de correo Exim 4.98","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de ocho meses de desarrollo, se public\u00f3 la versi\u00f3n del servidor de correo Exim 4.98, que incluye arreglos acumulados y nuevas funcionalidades. El c\u00f3digo del proyecto est\u00e1 escrito en C y se distribuye bajo la licencia GPLv2+. Seg\u00fan una encuesta automatizada de junio a cerca de 400 mil servidores de correo, la participaci\u00f3n de Exim es del 59.06% (hace un a\u00f1o era del 55.93%), Postfix se utiliza en el 34.68% (37.40%) de los servidores de correo, Sendmail \u2014 3.42% (3.45%), MailEnable \u2014 1.81% (1.86%), MDaemon \u2014 0.37% (0.48%), Microsoft Exchange \u2014 0.17% (0.25%).       <\/p>\n<p>  Principales cambios:  <\/p>\n<ul>\n<li class=\"l\"> Se ha corregido una vulnerabilidad (CVE-2024-39929), causada por un an\u00e1lisis incorrecto de los nombres de archivos en los adjuntos de correo. Esta vulnerabilidad permite evadir filtros que utilizan la variable $mime_filename y conseguir la transmisi\u00f3n de archivos ejecutables en los adjuntos, a pesar de su bloqueo en la configuraci\u00f3n.\n<li class=\"l\"> En el ACL aplicable a los datos, las variables del comando DATA permiten el uso de la condici\u00f3n dkim_status, que permite evaluar el resultado de la verificaci\u00f3n mediante el mecanismo DKIM (DomainKeys Identified Mail).\n<li class=\"l\"> Al habilitar la configuraci\u00f3n dkim_verbose, que registra informaci\u00f3n adicional de depuraci\u00f3n sobre el funcionamiento de DKIM, se proporciona informaci\u00f3n sobre las firmas digitales.\n<li class=\"l\"> En la opci\u00f3n dkim_timestamps, que controla la inclusi\u00f3n de informaci\u00f3n sobre el tiempo en la firma, se permite especificar el valor \"0\" para agregar el tiempo actual.\n<li class=\"l\"> En la opci\u00f3n recipients_max, que define el l\u00edmite en el n\u00famero de destinatarios para un solo mensaje, se permite el uso de sustituciones y patrones.\n<li class=\"l\"> Al probar expresiones a trav\u00e9s del comando \"exim -be\" se ofrece la posibilidad de establecer valores tainted (valores obtenidos externamente, por ejemplo, aportados por el remitente del correo).\n<li class=\"l\"> Se ha a\u00f1adido soporte para el procesamiento y la reflexi\u00f3n en los registros del evento \"dns:fail\", que ocurre cuando falla una consulta a las listas DNSBL.\n<li class=\"l\"> En los bloques de b\u00fasqueda dsearch se ha agregado soporte para la b\u00fasqueda mediante rutas de archivo incompletas (\"${lookup {foo\/bar} dsearch,key=path {\/etc}}\").\n<li class=\"l\"> Se incluye la utilidad mailtest para la verificaci\u00f3n y diagn\u00f3stico de la conexi\u00f3n SMTP.\n<li class=\"l\"> Se ha implementado el soporte para la extensi\u00f3n SMTP WELLKNOWN, mediante la cual el servidor SMTP puede transmitir informaci\u00f3n p\u00fablica al cliente, como datos de contacto o par\u00e1metros de verificaci\u00f3n al recibir <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/ssl-sertifikat\/\"   title=\"un certificado TLS\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"952\">un certificado TLS<\/a>, utilizando el protocolo ACME.\n<li class=\"l\"> Se ha agregado la capacidad de usar SQLite3 para almacenar bases de datos internas, adem\u00e1s de DBD, NDB, GBDM y TDB. Para utilizar SQLite3, antes de la compilaci\u00f3n en Local\/Makefile, es necesario especificar \"USE_SQLITE = y\" y \"DBMLIB = -lsqlite3\".        <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61527\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.98, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u043d\u0430\u043a\u043e\u043f\u0438\u0432\u0448\u0438\u0435\u0441\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2+. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0438\u044e\u043d\u044c\u0441\u043a\u0438\u043c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043e\u043f\u0440\u043e\u0441\u043e\u043c \u043e\u043a\u043e\u043b\u043e 400 \u0442\u044b\u0441\u044f\u0447 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0434\u043e\u043b\u044f Exim \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 59.06% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 55.93%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.68% (37.40%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-117327","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 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