{"id":109279,"date":"2023-07-06T21:10:30","date_gmt":"2023-07-06T19:10:31","guid":{"rendered":"https:\/\/prohoster.info\/?p=109279"},"modified":"2023-07-07T10:16:49","modified_gmt":"2023-07-07T08:16:49","slug":"vypusk-distributiva-proxmox-mail-gateway-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-distributiva-proxmox-mail-gateway-8-0","title":{"rendered":"Lan\u00e7amento da distribui\u00e7\u00e3o Proxmox Mail Gateway 8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Proxmox, conhecida pelo desenvolvimento da distribui\u00e7\u00e3o Proxmox Virtual Environment para implementar infraestruturas de servidores virtuais, lan\u00e7ou a distribui\u00e7\u00e3o Proxmox Mail Gateway 8.0. O Proxmox Mail Gateway \u00e9 apresentado como uma solu\u00e7\u00e3o pronta para criar rapidamente um sistema de controle de tr\u00e1fego de e-mail e proteger o servidor de e-mail interno.     <\/p>\n<p>A imagem ISO de instala\u00e7\u00e3o est\u00e1 dispon\u00edvel para download gratuito. Os componentes espec\u00edficos da distribui\u00e7\u00e3o s\u00e3o licenciados sob AGPLv3. Para a instala\u00e7\u00e3o de atualiza\u00e7\u00f5es, est\u00e3o dispon\u00edveis um reposit\u00f3rio Enterprise pago e dois reposit\u00f3rios gratuitos que diferem no n\u00edvel de estabiliza\u00e7\u00e3o das atualiza\u00e7\u00f5es. A parte do sistema da distribui\u00e7\u00e3o \u00e9 baseada na base de pacotes Debian. \u00c9 poss\u00edvel instalar os componentes do Proxmox Mail Gateway sobre sistemas que j\u00e1 est\u00e3o em funcionamento <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1709\">servidores<\/a> baseado em Debian.        <\/p>\n<p>O Proxmox Mail Gateway opera como um servidor proxy, atuando como um gateway entre a rede externa e o servidor de e-mail interno <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-prohoster\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3078\">servidor<\/a> baseado no MS Exchange, Lotus Domino ou Postfix. Ele permite a gest\u00e3o de todos os fluxos de correspond\u00eancia eletr\u00f4nica, tanto de entrada quanto de sa\u00edda. Todos os logs das comunica\u00e7\u00f5es s\u00e3o analisados e acess\u00edveis atrav\u00e9s da interface web. S\u00e3o fornecidos gr\u00e1ficos para avalia\u00e7\u00e3o da din\u00e2mica geral, al\u00e9m de diversos relat\u00f3rios e formul\u00e1rios para obter informa\u00e7\u00f5es sobre e-mails espec\u00edficos e status de entrega. A cria\u00e7\u00e3o de configura\u00e7\u00f5es em cluster \u00e9 suportada para garantir alta disponibilidade (manuten\u00e7\u00e3o de um servidor de backup sincronizado, com dados sincronizados atrav\u00e9s de um t\u00fanel SSH) ou balanceamento de carga.       <\/p>\n<p><center><img decoding=\"async\" alt=\"Lan\u00e7amento da distribui\u00e7\u00e3o Proxmox Mail Gateway 8.0\" src=\"\/wp-content\/uploads\/2023\/07\/9c1705eaca1b48da2c84382683a98663.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Um conjunto completo de ferramentas \u00e9 fornecido para garantir prote\u00e7\u00e3o, filtragem de spam, phishing e v\u00edrus. O ClamAV e a base do Google Safe Browsing s\u00e3o utilizados para bloquear anexos maliciosos, enquanto uma s\u00e9rie de medidas baseadas no SpamAssassin, incluindo suporte \u00e0 verifica\u00e7\u00e3o reversa do remetente, SPF, DNSBL, listas cinzas, sistema de classifica\u00e7\u00e3o bayesiana e bloqueio baseado em URIs de spam, \u00e9 oferecida contra spam. Para correspond\u00eancias leg\u00edtimas, um sistema flex\u00edvel de filtros \u00e9 disponibilizado, permitindo definir regras de processamento de e-mails com base no dom\u00ednio, destinat\u00e1rio\/remetente, hor\u00e1rio de recebimento e tipo de conte\u00fado.    <\/p>\n<p>Principais novidades:  <\/p>\n<ul>\n<li class=\"l\"> A transi\u00e7\u00e3o para a base de pacotes Debian 12 foi realizada. O n\u00facleo do Linux foi atualizado para a vers\u00e3o 6.2. As vers\u00f5es do OpenZFS 2.1.12 e PostgreSQL 15.3 foram atualizadas.      <\/li>\n<li class=\"l\"> Foi oferecido um instalador alternativo com interface de texto, que pode ser usado em hardware muito novo ou muito antigo, onde ocorrem problemas ao iniciar o instalador gr\u00e1fico baseado na biblioteca GTK. O instalador \u00e9 escrito na linguagem Rust utilizando a biblioteca Cursive.\n<li class=\"l\"> Adicionado o script pmg7to8 para identificar incompatibilidades nas configura\u00e7\u00f5es antes da atualiza\u00e7\u00e3o a partir da ramifica\u00e7\u00e3o 7.x.\n<li class=\"l\"> O sistema de filtragem de spam foi atualizado para o SpamAssassin 4.0.0, e o pacote antiv\u00edrus para o ClamAV 1.0.1. No SpamAssassin, os plugins de classifica\u00e7\u00e3o Bayesiana e de cria\u00e7\u00e3o autom\u00e1tica de lista branca est\u00e3o desativados por padr\u00e3o em novas instala\u00e7\u00f5es.    <\/li>\n<li class=\"l\"> Foi adicionada a possibilidade de bloqueio da conta ap\u00f3s muitas tentativas falhadas de autentica\u00e7\u00e3o de dois fatores ou inser\u00e7\u00e3o de senhas de uso \u00fanico (TOTP) incorretas. O bloqueio \u00e9 feito para prote\u00e7\u00e3o em situa\u00e7\u00f5es em que atacantes conseguiram descobrir a senha do usu\u00e1rio e est\u00e3o tentando adivinhar o c\u00f3digo de verifica\u00e7\u00e3o na segunda etapa da autentica\u00e7\u00e3o. Para a autentica\u00e7\u00e3o de dois fatores, o bloqueio dura uma hora, enquanto para o TOTP \u00e9 indefinido. Para desbloqueio, \u00e9 poss\u00edvel usar o c\u00f3digo de recupera\u00e7\u00e3o de acesso ou enviar uma solicita\u00e7\u00e3o ao administrador.\n<li class=\"l\"> Inclu\u00edda a ferramenta ethtool.     <\/li>\n<li class=\"l\"> A implementa\u00e7\u00e3o do tema escuro foi aprimorada na interface web. Por padr\u00e3o, os filtros de estat\u00edsticas avan\u00e7adas est\u00e3o desativados. A prote\u00e7\u00e3o contra ataques XSS foi refor\u00e7ada.        <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59392\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Proxmox, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Proxmox Virtual Environment \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Proxmox Mail Gateway 8.0. 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