{"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\/pt\/blog\/news\/reliz-pochtovogo-servera-postfix-3-5-0","title":{"rendered":"Lan\u00e7amento do servidor de email Postfix 3.5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/postfix-announce@postfix.org\/msg00063.html\">ocorreu<\/a><\/noindex> lan\u00e7amento da nova vers\u00e3o est\u00e1vel do servidor de email <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postfix.org\">Postfix \u2014 3.5.0<\/a><\/noindex>. Ao mesmo tempo, foi anunciado o fim do suporte \u00e0 vers\u00e3o <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43951\">Postfix 3.1<\/a><\/noindex>, lan\u00e7ada no in\u00edcio de 2016. O Postfix \u00e9 um dos raros projetos que combina alta seguran\u00e7a, confiabilidade e desempenho, conseguido por meio de uma arquitetura <noindex><a rel=\"nofollow\" href=\"http:\/\/www.postfix.org\/OVERVIEW.html\">e uma pol\u00edtica rigorosa de formata\u00e7\u00e3o de c\u00f3digo e auditoria de patches. O c\u00f3digo do projeto \u00e9 distribu\u00eddo sob as licen\u00e7as EPL 2.0 (Eclipse Public License) e IPL 1.0 (IBM Public License).<\/a><\/noindex> De acordo com a pesquisa realizada em mar\u00e7o,<\/p>\n<p> cerca de um milh\u00e3o de servidores de email, o Postfix \u00e9 utilizado em 34,29% (34,42%) servidores de email, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.202002\/mxsurvey.html\">a participa\u00e7\u00e3o do Exim \u00e9 de 57,05% (um ano atr\u00e1s era 56,56%), o Postfix \u00e9 utilizado em 34,52% (33,79%) dos servidores de e-mail, o Sendmail - 4,05% (4,59%), e o Microsoft Exchange - 0,57% (0,85%). Segundo<\/a><\/noindex> a participa\u00e7\u00e3o do Exim \u00e9 de 57,77% (um ano 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%).<br \/>\nA participa\u00e7\u00e3o do Exim \u00e9 de 57,77% (um ano 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>Principais <noindex><a rel=\"nofollow\" href=\"ftp:\/\/ftp.porcupine.org\/mirrors\/postfix-release\/official\/postfix-3.5.0.RELEASE_NOTES\">novidades<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> HAProxy 2.0 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50904\">com o encaminhamento de solicita\u00e7\u00f5es atrav\u00e9s do TCP sobre IPv4 e IPv6 ou sem encaminhamento de conex\u00f5es (para envio de solicita\u00e7\u00f5es heartbeat de verifica\u00e7\u00e3o, confirmando que est\u00e1 em opera\u00e7\u00e3o normal).<\/a><\/noindex> Adicionada a capacidade de for\u00e7ar o envio de mensagens de status obsoletas (n\u00e3o entregues) de volta ao remetente. O status \u00e9 salvo no arquivo de fila de entrega como um atributo especial, onde, caso presente, qualquer tentativa de entrega resultar\u00e1 no retorno da mensagem ao remetente, sem coloc\u00e1-la na fila de tentativas de entrega (hold queue). Para definir o atributo de mensagem obsoleta, foram adicionados os flags \u00ab-e\u00bb e \u00ab-f\u00bb ao comando postsuper, sendo que a diferen\u00e7a do flag \u00ab-f\u00bb \u00e9 que a mensagem \u00e9 imediatamente retornada ao remetente ao estar na fila de espera para reenvio. Na sa\u00edda dos comandos mailq e postqueue, mensagens obsoletas for\u00e7adas s\u00e3o marcadas com o s\u00edmbolo \u00ab#\u00bb ap\u00f3s o nome do arquivo.\n<li class=\"l\"> Adicionada a possibilidade de for\u00e7ar a instala\u00e7\u00e3o de mensagens com status obsoleto (n\u00e3o entregues) para retorno ao remetente. O status \u00e9 salvo no arquivo de fila de entrega como um atributo especial, na aus\u00eancia do qual qualquer tentativa de entrega resultar\u00e1 no retorno da mensagem ao remetente, sem coloc\u00e1-la na fila de tentativas de entrega (hold queue). Para definir o atributo da mensagem obsoleta, foram adicionados os flags \u2018-e\u2019 e \u2018-f\u2019 ao comando postsuper, sendo que a diferen\u00e7a do flag \u2018-f\u2019 \u00e9 que a mensagem \u00e9 retornada imediatamente ao remetente quando est\u00e1 na fila de espera para reenvio. Nos comandos mailq e postqueue, as mensagens for\u00e7adamente obsoletas s\u00e3o marcadas com o sinal \u2018#\u2019 ap\u00f3s o nome do arquivo.\n<li class=\"l\"> relayhost = foo.example, bar.example\n<p>    \/etc\/postfix\/main.cf:<br \/>\n        default_transport = smtp:foo.example, bar.example<br \/>\n        default_transport = smtp:foo.example, bar.example<\/p>\n<li class=\"l\"> Alterado o comportamento ao registrar logs. Os endere\u00e7os em \u2018from=\u2019 e \u2018to=\u2019 agora s\u00e3o salvos usando cita\u00e7\u00e3o \u2014 se a parte local do endere\u00e7o contiver espa\u00e7os ou caracteres especiais, essa parte do endere\u00e7o ser\u00e1 colocada entre aspas no log. Para retornar ao comportamento antigo, a configura\u00e7\u00e3o deve incluir \u2018info_log_address_format = internal\u2019.\n<p>    Era: from=<br \/>\n    Ficou: from=.<\/p>\n<li class=\"l\"> Foi garantida a normaliza\u00e7\u00e3o dos endere\u00e7os IP obtidos nos cabe\u00e7alhos XCLIENT e XFORWARD ou pelo protocolo HaProxy. Esta altera\u00e7\u00e3o pode levar a problemas de compatibilidade nos logs e na correspond\u00eancia de sub-redes IPv6 na diretiva check_client_access.\n<li class=\"l\"> Para melhorar a intera\u00e7\u00e3o com o Dovecot, o agente de entrega SMTP+LMTP agora anexa os cabe\u00e7alhos Delivered-To, X-Original-To e Return-Path, utilizando os flags \u2018flags=DORX\u2019 em master.cf, assim como os agentes de entrega pipe e local.\n<li class=\"l\"> Foi determinado a ordem de verifica\u00e7\u00e3o dos certificados, definida nas tabelas check_ccert_access. Primeiro, \u00e9 verificado o hash do certificado do cliente, e ent\u00e3o a chave p\u00fablica do cliente (comportamento igual ao de indicar \u2018search_order = cert_fingerprint, pubkey_fingerprint\u2019).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 5.0.3 - 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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