{"id":53759,"date":"2019-12-09T00:00:00","date_gmt":"2019-12-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novaya-versiya-pochtovogo-servera-exim-4-93"},"modified":"2020-02-18T14:01:41","modified_gmt":"2020-02-18T11:01:41","slug":"novaya-versiya-pochtovogo-servera-exim-4-93","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-93","title":{"rendered":"Nova vers\u00e3o do servidor de e-mail Exim 4.93","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s 10 meses de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Exim\/exim\/releases\/tag\/exim-4.93\">ocorreu<\/a><\/noindex> lan\u00e7amento do servidor de e-mail <noindex><a rel=\"nofollow\" href=\"http:\/\/exim.org\/\">Exim 4.93<\/a><\/noindex>, que incorpora corre\u00e7\u00f5es acumuladas e adiciona novas funcionalidades. De acordo com o relat\u00f3rio de novembro <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.201911\/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> cerca de um milh\u00e3o de servidores de e-mail, com a participa\u00e7\u00e3o do Exim em 56,90% (um ano atr\u00e1s 56,56%), o Postfix \u00e9 usado em 34,98% (33,79%) dos servidores de e-mail, Sendmail \u2014 3,90% (5,59%), Microsoft Exchange \u2014 0,51% (0,85%). <\/p>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/ChangeLog\">Principais<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/NewStuff\">mudan\u00e7as<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Suporte a autentica\u00e7\u00f5es externas (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc4422#appendix-A\">RFC 4422<\/a><\/noindex>). Com o comando \u00abSASL EXTERNAL\u00bb, o cliente pode informar o servidor sobre a utiliza\u00e7\u00e3o de credenciais para autentica\u00e7\u00e3o, transmitidas atrav\u00e9s de servi\u00e7os externos, como IP Security (RFC4301) e TLS;\n<li class=\"l\"> Foi adicionada a possibilidade de usar o formato JSON para verifica\u00e7\u00f5es de lookup. Tamb\u00e9m foram adicionadas variantes de m\u00e1scaras condicionais \u00abforall\u00bb e \u00abany\u00bb, que utilizam JSON.\n<li class=\"l\"> Foram adicionadas vari\u00e1veis $tls_in_cipher_std e $tls_out_cipher_std, contendo os nomes dos conjuntos de cifras correspondentes \u00e0 nomenclatura do RFC.\n<li class=\"l\"> Novas flags foram adicionadas para controlar a reflex\u00e3o do identificador de mensagens no log (definidas atrav\u00e9s da configura\u00e7\u00e3o  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-log_files.html\">log_selector<\/a><\/noindex>): \u00abmsg_id\u00bb (habilitado por padr\u00e3o) com o identificador da mensagem e \u00abmsg_id_created\u00bb com o identificador gerado para uma nova mensagem.\n<li class=\"l\"> No modo \u00abverify=not_blind\u00bb foi adicionado suporte \u00e0 op\u00e7\u00e3o \u00abcase_insensitive\u00bb para ignorar a diferencia\u00e7\u00e3o entre mai\u00fasculas e min\u00fasculas durante a verifica\u00e7\u00e3o.\n<li class=\"l\"> Foi adicionada a op\u00e7\u00e3o experimental EXPERIMENTAL_TLS_RESUME, possibilitando a retomada de uma conex\u00e3o TLS interrompida anteriormente.\n<li class=\"l\"> Foi adicionada a op\u00e7\u00e3o exim_version para sobrescrever a linha com o n\u00famero da vers\u00e3o do Exim, exibida em diversos locais e transmitida atrav\u00e9s das vari\u00e1veis $exim_version e $version_number.\n<li class=\"l\"> Foram adicionadas variantes do operador ${sha2_N:} para N=256, 384, 512.\n<li class=\"l\"> Foram implementadas vari\u00e1veis \u00ab$r_\u2026\u00bb, definidas a partir das op\u00e7\u00f5es de roteamento e dispon\u00edveis para uso na tomada de decis\u00f5es sobre roteamento e sele\u00e7\u00e3o do transporte.\n<li class=\"l\"> Na consulta lookup SPF, foi adicionada o suporte ao IPv6.\n<li class=\"l\"> Ao realizar verifica\u00e7\u00f5es via DKIM, foi adicionada a possibilidade de filtrar por tipos de chaves e hashes.\n<li class=\"l\">  Ao utilizar TLS 1.3, foi garantido suporte \u00e0 extens\u00e3o do protocolo OCSP (Online Certificate Status Protocol) para <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/OCSP_stapling\">verifica\u00e7\u00e3o<\/a><\/noindex> do status de revoga\u00e7\u00e3o do certificado.\n<li class=\"l\"> Foi adicionado o evento \u00absmtp:ehlo\u00bb para monitorar a lista de funcionalidades fornecidas pela parte remota.\n<li class=\"l\"> Foi adicionada uma op\u00e7\u00e3o de linha de comando para mover mensagens de uma fila nomeada para outra.\n<li class=\"l\"> Foram adicionadas vari\u00e1veis com as vers\u00f5es do TLS para requisi\u00e7\u00f5es de entrada e sa\u00edda \u2014 $tls_in_ver e $tls_out_ver.\n<li class=\"l\"> Ao usar o OpenSSL, uma fun\u00e7\u00e3o para registrar arquivos com chaves no formato NSS para decodifica\u00e7\u00e3o de pacotes de rede interceptados foi adicionada. O nome do arquivo \u00e9 definido pela vari\u00e1vel de ambiente SSLKEYLOGFILE. Ao compilar com GnuTLS, funcionalidade semelhante \u00e9 fornecida pelo GnuTLS, mas requer permiss\u00f5es de root.\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=51995\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 10 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.93, \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. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043d\u043e\u044f\u0431\u0440\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 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \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 56.90% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 56.56%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.98% (33.79%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, Sendmail &#8212; 3.90% (5.59%), Microsoft Exchange &#8212; 0.51% (0.85%). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 [&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-53759","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 10 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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