{"id":74342,"date":"2020-03-16T20:42:19","date_gmt":"2020-03-16T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-pochtovogo-servera-postfix-3-5-0"},"modified":"2020-03-16T20:42:19","modified_gmt":"2020-03-16T17:42:19","slug":"reliz-pochtovogo-servera-postfix-3-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/reliz-pochtovogo-servera-postfix-3-5-0","title":{"rendered":"Lanzamiento del servidor de correo Postfix 3.5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de un a\u00f1o de desarrollo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/postfix-announce@postfix.org\/msg00063.html\">se llev\u00f3 a cabo<\/a><\/noindex> lanzamiento de una nueva rama estable del servidor de correo <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postfix.org\">Postfix \u2014 3.5.0<\/a><\/noindex>. Al mismo tiempo, se ha anunciado el cese del soporte para la rama <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43951\">Postfix 3.1<\/a><\/noindex>, lanzada a principios de 2016. Postfix es uno de los pocos proyectos que combina alta seguridad, fiabilidad y rendimiento, lo cual se ha logrado gracias a una <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postfix.org\/OVERVIEW.html\">arquitectura<\/a><\/noindex> y una pol\u00edtica bastante estricta de presentaci\u00f3n de c\u00f3digo y auditor\u00eda de parches. El c\u00f3digo del proyecto se distribuye bajo las licencias EPL 2.0 (Eclipse Public License) e IPL 1.0 (IBM Public License).<\/p>\n<p> De acuerdo con el informe de marzo, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.202002\/mxsurvey.html\">la cuota de Exim es del 57.05% (hace un a\u00f1o era del 56.56%), Postfix se utiliza en el 34.52% (33.79%) de los servidores de correo, Sendmail - 4.05% (4.59%), Microsoft Exchange - 0.57% (0.85%). Seg\u00fan<\/a><\/noindex> cerca de un mill\u00f3n de servidores de correo, Postfix es utilizado en el 34.29% (34.42%) de los servidores de correo,<br \/>\nLa participaci\u00f3n de Exim es del 57.77% (un a\u00f1o atr\u00e1s 56.91%), Sendmail \u2014 3.83% (4.16%), MailEnable \u2014 2.12% (2.18%), MDaemon \u2014 0.77% (0.91%), Microsoft Exchange \u2014 0.47% (0.61%).<\/p>\n<p>Principales <noindex><a rel=\"nofollow\" href=\"ftp:\/\/ftp.porcupine.org\/mirrors\/postfix-release\/official\/postfix-3.5.0.RELEASE_NOTES\">novedades<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido soporte para el protocolo de equilibrador de carga <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50904\">HAProxy 2.0<\/a><\/noindex> con el env\u00edo de solicitudes a trav\u00e9s de TCP sobre IPv4 e IPv6 o sin el proxy de conexiones (para enviar solicitudes heartbeat de verificaci\u00f3n que confirmen el funcionamiento normal).\n<li class=\"l\"> Se ha a\u00f1adido la posibilidad de forzar la instalaci\u00f3n de mensajes de estado obsoletos (no entregados) para su devoluci\u00f3n al remitente. El estado se guarda en el archivo de cola de entrega como un atributo especial, el cual, al estar presente, cualquier intento de entrega resultar\u00e1 en la devoluci\u00f3n del mensaje al remitente, sin colocar en cola intentos de redelivery (hold queue). Para establecer el atributo del mensaje obsoleto se han a\u00f1adido las flags \u00ab-e\u00bb y \u00ab-f\u00bb al comando postsuper, siendo la diferencia de la flag \u00ab-f\u00bb que el mensaje vuelve al remitente inmediatamente al estar en cola de espera para reenv\u00edo. En la salida de los comandos mailq y postqueue, los mensajes forzadamente obsoletos se marcan con el s\u00edmbolo \u00ab#\u00bb despu\u00e9s del nombre del archivo.\n<li class=\"l\"> En los clientes SMTP y LMTP se ha a\u00f1adido soporte para enumerar m\u00faltiples hosts para redirigir el mensaje a otro servidor (next-hop). Los hosts enumerados ser\u00e1n probados para enviar el mensaje en el orden en que aparecen (si el primero no est\u00e1 disponible, se intentar\u00e1 la entrega al segundo, etc.). La especificaci\u00f3n de la lista se ha implementado para las directivas relayhost, transport_maps, default_transport y sender_dependent_default_transport_maps.\n<p>    \/etc\/postfix\/main.cf:<br \/>\n        relayhost = foo.example, bar.example<br \/>\n        default_transport = smtp:foo.example, bar.example<\/p>\n<li class=\"l\"> Se ha cambiado el comportamiento al llevar el registro. Las direcciones en \u00abfrom=\u00bb y \u00abto=\u00bb ahora se guardan utilizando comillas \u2014 si la parte local de la direcci\u00f3n contiene espacios o caracteres especiales, en el registro la parte indicada de la direcci\u00f3n estar\u00e1 entre comillas. Para recuperar el comportamiento anterior, se debe agregar \u00abinfo_log_address_format = internal\u00bb a la configuraci\u00f3n.\n<p>    Antes: from=&lt;nombre con espacios@example.com&gt;<br \/>\n    Ahora es: from=.<\/p>\n<li class=\"l\"> Se ha asegurado la normalizaci\u00f3n de las direcciones IP recibidas de los encabezados XCLIENT y XFORWARD o a trav\u00e9s del protocolo HaProxy. Este cambio puede causar problemas de compatibilidad en el nivel de registros y en la correspondencia de subredes IPv6 en la directiva check_client_access.\n<li class=\"l\"> Para mejorar la interacci\u00f3n con Dovecot, en el agente de entrega SMTP+LMTP se han a\u00f1adido los encabezados Delivered-To, X-Original-To y Return-Path, utilizando las flags \u00abflags=DORX\u00bb en master.cf a la manera de los agentes de entrega pipe y local.\n<li class=\"l\"> Se ha definido el orden de verificaci\u00f3n de los certificados establecidos en las tablas check_ccert_access. Primero se comprueba el hash del certificado del cliente, seguido de la clave p\u00fablica del cliente (comportamiento similar al especificar \u00absearch_order = cert_fingerprint, pubkey_fingerprint\u00bb).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52550\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043d\u043e\u0432\u043e\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Postfix &#8212; 3.5.0. \u0412 \u0442\u043e \u0436\u0435 \u0432\u0440\u0435\u043c\u044f \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043e \u043e \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0432\u0435\u0442\u043a\u0438 Postfix 3.1, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0439 \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 2016 \u0433\u043e\u0434\u0430. Postfix \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u0438\u043c \u0438\u0437 \u0440\u0435\u0434\u043a\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0441\u043e\u0447\u0435\u0442\u0430\u044e\u0449\u0438\u0445 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c, \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u044c \u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0447\u0435\u0433\u043e \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u043e\u0434\u0443\u043c\u0430\u043d\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0436\u0451\u0441\u0442\u043a\u043e\u0439 \u043f\u043e\u043b\u0438\u0442\u0438\u043a\u0435 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0438 [&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-74342","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 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043d\u043e\u0432\u043e\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 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