{"id":84602,"date":"2020-06-09T13:42:14","date_gmt":"2020-06-09T11:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-pochtovogo-servera-exim-4-94"},"modified":"2020-06-09T13:42:14","modified_gmt":"2020-06-09T11:42:14","slug":"novaya-versiya-pochtovogo-servera-exim-4-94","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94","title":{"rendered":"Nova vers\u00e3o do servidor de e-mail Exim 4.94","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s 6 meses de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.exim.org\/lurker\/message\/20200601.152400.f7bce8f6.en.html\">ocorreu<\/a><\/noindex> lan\u00e7amento do servidor de e-mail <noindex><a rel=\"nofollow\" href=\"http:\/\/exim.org\/\">Exim 4.94<\/a><\/noindex>, que inclui corre\u00e7\u00f5es acumuladas e adiciona novas funcionalidades. De acordo com maio, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.202005\/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> Em torno de um milh\u00e3o de servidores de correio, a participa\u00e7\u00e3o do Exim \u00e9 de 57,59% (um ano atr\u00e1s era 53,03%), o Postfix \u00e9 utilizado em 34,70% (34,51%) dos servidores de correio, Sendmail - 3,75% (4,05%), Microsoft Exchange - 0,42% (0,57%). <\/p>\n<p>Mudan\u00e7as na nova vers\u00e3o podem causar quebra de retrocompatibilidade. Em particular, alguns tipos de transporte deixaram de funcionar com dados n\u00e3o limpos (tainted, valores baseados em dados recebidos do remetente) ao determinar a localiza\u00e7\u00e3o de entrega. Por exemplo, podem surgir problemas ao usar a vari\u00e1vel $local_part na configura\u00e7\u00e3o \"check_local_user\" ao direcionar um e-mail. Em vez de $local_part, deve-se usar a nova vari\u00e1vel limpa \"$local_part_data\". Al\u00e9m disso, nas operandos da op\u00e7\u00e3o headers_remove agora \u00e9 permitido o uso de m\u00e1scaras definidas com o s\u00edmbolo \"*\", o que pode causar problemas em configura\u00e7\u00f5es onde a remo\u00e7\u00e3o de cabe\u00e7alhos terminando com asterisco era realizada (em vez de remover cabe\u00e7alhos espec\u00edficos, ser\u00e1 realizada a remo\u00e7\u00e3o pela m\u00e1scara).<\/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 experimental integrado ao mecanismo SRS (Sender Rewriting Scheme) foi adicionado, permitindo reescrever o endere\u00e7o do remetente durante o encaminhamento sem violar as verifica\u00e7\u00f5es SPF (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Sender_Rewriting_Scheme\">Sender Policy Framework<\/a><\/noindex>) e garantindo a preserva\u00e7\u00e3o dos dados sobre o remetente para o encaminhamento das mensagens pelo servidor em caso de erro de entrega. O princ\u00edpio do m\u00e9todo \u00e9 que, ao estabelecer a conex\u00e3o, as informa\u00e7\u00f5es sobre a identidade com o remetente original s\u00e3o transmitidas, por exemplo, ao reescrever alice@example.org para alice@example.com, ser\u00e1 indicado \"SRS0=HHH=TT=example.org=alice@example.com\". O SRS \u00e9 relevante, por exemplo, ao organizar o funcionamento de listas de discuss\u00e3o, nas quais a mensagem original \u00e9 redirecionada para outros destinat\u00e1rios.\n<li class=\"l\"> Ao usar OpenSSL, foi adicionada a suporte para fixa\u00e7\u00e3o de canal para <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-smtp_authentication.html\">autenticadores<\/a><\/noindex> (anteriormente suportado apenas para GnuTLS).\n<li class=\"l\"> Adicionado o evento \"msg:defer\".\n<li class=\"l\"> Suporte ao autenticador gsasl do lado do cliente foi implementado, testado apenas com o manejador de senhas abertas (plaintext). O funcionamento dos m\u00e9todos SCRAM-SHA-256 e SCRAM-SHA-256-PLUS \u00e9 poss\u00edvel apenas atrav\u00e9s do pr\u00f3prio <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-the_gsasl_authenticator.html\">gsasl<\/a><\/noindex>.\n<li class=\"l\">  Suporte ao autenticador gsasl do lado do servidor para senhas criptografadas foi implementado, atuando como uma alternativa ao modo plaintext anteriormente dispon\u00edvel.\n<li class=\"l\"> As defini\u00e7\u00f5es em listas nomeadas agora podem ser marcadas com o prefixo \"hide\" para suprimir a sa\u00edda de conte\u00fado ao executar o comando \"-bP\".\n<li class=\"l\"> O driver de autentica\u00e7\u00e3o via servidor IMAP Dovecot agora possui suporte experimental para soquetes de internet (anteriormente, apenas soquetes de dom\u00ednio unix eram suportados).\n<li class=\"l\"> A express\u00e3o ACL \"queue_only\" agora pode ser especificada como \"queue\" e suporta a op\u00e7\u00e3o \"first_pass_route\", semelhante \u00e0 op\u00e7\u00e3o da linha de comando \"-odqs\".\n<li class=\"l\"> Novas vari\u00e1veis $queue_size e $local_part_{pre,suf}fix_v foram adicionadas.\n<li class=\"l\"> Adicionada a op\u00e7\u00e3o \"sqlite_dbfile\" ao bloco principal de configura\u00e7\u00e3o para uso na defini\u00e7\u00e3o do prefixo da string de pesquisa. A mudan\u00e7a quebra a retrocompatibilidade - o antigo m\u00e9todo de defini\u00e7\u00e3o do prefixo deixou de funcionar ao indicar vari\u00e1veis n\u00e3o limpas (tainted) em consultas de lookup. O novo m\u00e9todo (\"sqlite_dbfile\") permite manter o nome do arquivo separadamente.\n<li class=\"l\"> Foi adicionada op\u00e7\u00f5es aos blocos de lookup dsearch para retornar o caminho completo e filtrar tipos de arquivos durante a correspond\u00eancia.\n<li class=\"l\"> Os blocos de lookup pgsql e mysql agora possuem op\u00e7\u00f5es para especificar o nome do servidor separadamente da string de busca.\n<li class=\"l\"> Para blocos de lookup que realizam sele\u00e7\u00e3o por uma \u00fanica chave, foi adicionada uma op\u00e7\u00e3o para retornar uma vers\u00e3o limpa (de-tainted) da chave em caso de correspond\u00eancias, em vez dos dados procurados.\n<li class=\"l\"> Para todas as sele\u00e7\u00f5es bem-sucedidas list-match, foram configuradas as vari\u00e1veis $domain_data e $localpart_data (anteriormente, elementos da lista utilizados na sele\u00e7\u00e3o eram inseridos). Al\u00e9m disso, os elementos da lista aplicados na correspond\u00eancia agora s\u00e3o atribu\u00eddos \u00e0s vari\u00e1veis $0, $1, etc.\n<li class=\"l\"> Adicionado o operador de expans\u00e3o \"${listquote {} {}}\".\n<li class=\"l\"> Foi acrescentada uma op\u00e7\u00e3o ao operador de expans\u00e3o ${readsocket {}{}{}} para garantir o cache dos resultados.\n<li class=\"l\"> Foi adicionada a configura\u00e7\u00e3o dkim_verify_min_keysizes para listar os tamanhos m\u00ednimos permitidos para chaves p\u00fablicas.\n<li class=\"l\"> Foi garantida a divulga\u00e7\u00e3o dos par\u00e2metros  e  antes de seu primeiro uso.\n<li class=\"l\"> Adicionada a op\u00e7\u00e3o  para configurar o valor da vari\u00e1vel .\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=53116\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 6 \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 4.94, \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 \u043c\u0430\u0439\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 57.59% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 53.03%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.70% (34.51%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, Sendmail &#8212; 3.75% (4.05%), Microsoft Exchange &#8212; 0.42% (0.57%). \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u043c [&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-84602","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 6 \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\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.94 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u0441\u043b\u0435 6 \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\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-06-09T11:42:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-06-09T11:42:14+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47 Nova vers\u00e3o do servidor de correio Exim 4.94 | ProHoster","description":"Ap\u00f3s 6 meses de desenvolvimento, foi lan\u00e7ado o servidor de correio.","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.94 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 6 \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","og:url":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-06-09T11:42:14+00:00","article:modified_time":"2020-06-09T11:42:14+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"84602","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 14:54:33","updated":"2022-09-30 16:44:00","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/84602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/comments?post=84602"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/84602\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/media?parent=84602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/categories?post=84602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/tags?post=84602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}