{"id":162,"date":"2020-12-30T02:32:18","date_gmt":"2020-12-30T05:32:18","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=162"},"modified":"2026-04-07T01:36:49","modified_gmt":"2026-04-07T04:36:49","slug":"como-instalar-mailcow","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-mailcow\/","title":{"rendered":"Como instalar o servidor de email Mailcow"},"content":{"rendered":"<div id=\"helps-4227933066\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p class=\"wp-block-paragraph\">O <a aria-label=\"Mailcow (opens in a new tab)\" data-schema-attribute=\"mentions\" href=\"https:\/\/mailcow.email\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"rank-math-link\">Mailcow<\/a>, \u00e9 um servidor de Email completo, que gostamos de indicar, possui uma comunidade bastante ativa, atualiza\u00e7\u00f5es, novidades e fixes quase di\u00e1rios. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na <a aria-label=\" (opens in a new tab)\" data-schema-attribute=\"mentions\" class=\"rank-math-link\" href=\"https:\/\/helpsysadmin.com.br\" target=\"_blank\" rel=\"noreferrer noopener\">HelpSysAdmin<\/a> temos v\u00e1rios clientes que utilizam o Mailcow para hospedar os servi\u00e7os de email dos in\u00fameros dom\u00ednios de seus clientes. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O Mailcow utiliza o Anti Spam Rspamd com dezenas de regras e plugins instalados e pr\u00e9 configurados; ap\u00f3s alguns ajustes,  os clientes realmente sentem a diferen\u00e7a em rela\u00e7\u00e3o a outras solu\u00e7\u00f5es n\u00e3o t\u00e3o boas anti spam. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O Anti v\u00edrus utilizado \u00e9 o ClamAV que possui grandes vantagens, como a instala\u00e7\u00e3o de assinaturas adicionais Anti Virus, Anti Phishing, Anti Malware e outros como <a aria-label=\"abordamos em outro post (opens in a new tab)\" data-schema-attribute=\"mentions\" class=\"rank-math-link\" href=\"https:\/\/helpsysadmin.com.br\/blog\/antivirus-antimalware-antiphishing-centos\/\" target=\"_blank\" rel=\"noreferrer noopener\">abordamos em outro post<\/a>, para resumir, o Webmail utilizado \u00e9 o <a aria-label=\"SOGo Groupware (opens in a new tab)\" data-schema-attribute=\"mentions\" class=\"rank-math-link\" href=\"https:\/\/sogo.nu\/\" target=\"_blank\" rel=\"noreferrer noopener\">SOGo Groupware<\/a> que possui muito mais que a fun\u00e7\u00e3o de enviar email.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A HelpSysAdmin oferece o servi\u00e7o de instala\u00e7\u00e3o, configura\u00e7\u00e3o, otimiza\u00e7\u00e3o, suporte por 30 dias ap\u00f3s instala\u00e7\u00e3o a qualquer recurso ou configura\u00e7\u00e3o, al\u00e9m de melhorias no <strong><a href=\"https:\/\/p.helpsysadmin.com.br\/index.php?rp=\/store\/servico-unico\/instalacao-e-configuracao-mailcow-suporte-integral-por-30-dias&amp;currency=4&amp;language=portuguese-br\" target=\"_blank\" rel=\"noreferrer noopener\">MailCow por (R$ 100,00 )<\/a><\/strong>. <br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A seguir vamos abordar a instala\u00e7\u00e3o e configura\u00e7\u00e3o padr\u00e3o do Mailcow<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-preparativos-antes-de-instalar-o-mailcow\">Preparativos antes de instalar o Mailcow<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de iniciar a instala\u00e7\u00e3o \u00e9 necess\u00e1rio que voc\u00ea fa\u00e7a alguns preparativos em rela\u00e7\u00e3o as DNS do dom\u00ednio que deseja utilizar como principal no Mailcow. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para efeito de exemplo e f\u00e1cil entendimento vamos usar um dom\u00ednio que utilizamos para testes, helpsysadmin.ml .  O gerenciamento das DNS  utilizaremos o Cloudflare, para exemplificar o preenchimento das entradas DNS que ser\u00e3o necess\u00e1rias. Se  preferir, utilize o gerenciador de DNS de host de seu dom\u00ednio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O Mailcow \u00e9 compat\u00edvel com Ubuntu 18 e 20. N\u00f3s vamos utilizar o Ubuntu 20. O Mailcow precisa de um subdom\u00ednio que ser\u00e1 a URL de acesso aos pain\u00e9is e necess\u00e1rias para configura\u00e7\u00e3o do Mail client (\u00e9 poss\u00edvel criar outras depois). Este subdom\u00ednio precisa ser o hostname de seu servidor e ter o reverso configurado junto ao seu Data Center.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-vamos-utilizar-mail-helpsysadmin-ml\">Vamos utilizar <strong>mail.helpsysadmin.ml<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1 &#8211; Atualize seu servidor Ubuntu e reinicie<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>apt update; apt upgrade -y;<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">2 &#8211; Acesse o Shell e Configure o Hostname de seu servidor<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>hostnamectl set-hostname mail.helpsysadmin.ml<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">3 &#8211; Ajuste o Time Zone do servidor para America\/Sao_Paulo<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>timedatectl set-timezone America\/Sao_Paulo<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">4 &#8211; Acesse o seu Gerenciador de DNS e crie uma entrada do tipo A com nome mail, apontando para o IP do seu servidor. Aqui vamos utilizar o CloudFlare<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1656519849  fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"217\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:217\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg\" alt=\"\" class=\"wp-image-163\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:217\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:64\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:163\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:195\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:49\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:74\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:102\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1038\/h:220\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/entrada-a-cloudflare-wpp1610147867140.jpg 1038w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">5 &#8211; Com a entrada criada, agora \u00e9 o momento de mudar o reverso do <strong>IP<\/strong> (rDNS) para o nome do seu hostname (<strong>mail.helpsysadmin.ml<\/strong>). Voc\u00ea poder\u00e1 fazer esta altera\u00e7\u00e3o junto ao seu Data Center ou provedor VPS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6 &#8211; Adicione o IP e hostname em hosts<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>nano \/etc\/hosts<\/pre><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1021893847  fetchpriority=\"high\" decoding=\"async\" width=\"894\" height=\"319\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg\" alt=\"\" class=\"wp-image-164\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:894\/h:319\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 894w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:107\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:274\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:82\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:125\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:171\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/hosts.jpg 480w\" sizes=\"(max-width: 894px) 100vw, 894px\" \/><figcaption class=\"wp-element-caption\">Preencha conforme a imagem<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-criando-swap-para-o-servidor\">Criando SWAP para o Servidor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se ainda n\u00e3o possui SWAP criada em seu servidor, siga os passos a seguir. Vamos criar um arquivo de SWAP de 4 GB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 -crie o arquivo para swap, altere permiss\u00f5es e ative swap<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>dd if=\/dev\/zero of=\/swapfile count=4096 bs=1MiB\nchmod 600 \/swapfile\nmkswap \/swapfile\nswapon \/swapfile<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">2 &#8211; confirme se swap foi criada corretamente<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>free -m<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3 &#8211; edite o arquivo \/etc\/fstab e adicione<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>\/swapfile   swap    swap    sw  0   0<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instalando-o-docker-e-docker-compose\">Instalando o docker e docker-compose<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1 &#8211; Instale o Docker , habilite e inicie <\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -sSL https:\/\/get.docker.com\/ | CHANNEL=stable sh\nsystemctl enable docker.service\nsystemctl start docker.service<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">2 &#8211; Instale o docker-compose<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>LATEST=$(curl -Ls -w %{url_effective} -o \/dev\/null https:\/\/github.com\/docker\/compose\/releases\/latest) &amp;&amp; \\\nLATEST=${LATEST##*\/} &amp;&amp; \\\ncurl -L https:\/\/github.com\/docker\/compose\/releases\/download\/$LATEST\/docker-compose-$(uname -s)-$(uname -m) &gt; \/usr\/local\/bin\/docker-compose\nchmod +x \/usr\/local\/bin\/docker-compose<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instalando-o-mailcow\">Instalando o Mailcow<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1 &#8211; Instale o git<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>apt install git -y<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">2 &#8211; Baixando o Mailcow <\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>cd \/opt\ngit clone https:\/\/github.com\/mailcow\/mailcow-dockerized\ncd mailcow-dockerized<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">3 &#8211; Gerando o arquivo de configura\u00e7\u00e3o. Lembre-se de informar seu hostname quando pedir sua FQDN<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>.\/generate_config.sh<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">4 &#8211; Altere a configura\u00e7\u00e3o se precisar<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>nano mailcow.conf<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">5 &#8211; Extraia as imagens e execute o arquivo do docker<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>docker-compose pull\ndocker-compose up -d<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">6 &#8211; Acesse o Mailcow e troque a senha do admin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">https:\/\/seuhostname\/admin<br>Usu\u00e1rio: admin<br>Senha: moohoo<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=512044160  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg\"  decoding=\"async\" width=\"800\" height=\"481\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Acessando MailCow pela primeira vez\" class=\"wp-image-174\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:800\/h:481\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 800w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:180\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:462\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:138\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:210\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:289\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/acessando-mailcow.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7 &#8211; Alterando a senha do admin o mais breve poss\u00edvel<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-opt-id=207585314  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:266\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg\"  decoding=\"async\" width=\"1024\" height=\"266\" data-id=\"175\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20266%22%20width%3D%221024%22%20height%3D%22266%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22266%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Altere a Senha do Admin mailcow\" class=\"wp-image-175\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:266\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:78\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:199\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:239\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:60\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:91\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:125\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1499\/h:389\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/altere-senha-admin-mailcow.jpg 1499w\" \/><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-configurando-mailcow\">Configurando MailCow<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nesta parte,  o mais importante \u00e9 <a href=\"https:\/\/helpsysadmin.com.br\/blog\/configurar-login-automatico-phpmyadmin\/\" data-internallinksmanager029f6b8e52c=\"3\" title=\"Como Configurar Login Autom\u00e1tico no phpMyAdmin via DirectAdmin\">configurar<\/a> as entradas NS do hostname que escolheu. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vamos continuar utilizando o CloudFlare que \u00e9 onde est\u00e1 apontado nosso dom\u00ednio.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 &#8211; Continuando no painel do Mailcow, Logado como admin, clique em Configura\u00e7\u00e3o &gt;&gt; Contas , a seguir clique em Adicionar Dom\u00ednio.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=389684633  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg\"  decoding=\"async\" width=\"640\" height=\"193\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Configurando dom\u00ednio principal\" class=\"wp-image-178\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:640\/h:193\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg 640w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:90\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:69\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:106\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:145\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/configura-hostname.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2 &#8211; Nesta tela informe seu dom\u00ednio principal e ajuste os limites para sua conta. Ao final clique em &#8220;<strong>Add domain and restart SOGo<\/strong>&#8220;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-opt-id=1951500875  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg\"  decoding=\"async\" width=\"689\" height=\"877\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"\" class=\"wp-image-179\" style=\"width:431px;height:549px\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:689\/h:877\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg 689w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:236\/h:300\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg 236w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:293\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:446\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:611\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2020\/12\/adiciona-dominio-principal.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3 &#8211; A conta que acaba de criar ser\u00e1 listada conforme imagem a seguir. Clique no \u00edcone DNS<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=793377733  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/conf-dns-mailcow.jpg\"  decoding=\"async\" width=\"150\" height=\"133\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Clique no bot\u00e3o DNS\" class=\"wp-image-183\"\/><figcaption class=\"wp-element-caption\">Clique no Bot\u00e3o DNS<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4 &#8211; Esta parte \u00e9 muito importe e voc\u00ea n\u00e3o precisar\u00e1 configur\u00e1-la toda a cada novo dom\u00ednio que hospedar. Para preencher vamos utilizar nosso dom\u00ednio que est\u00e1 no <a href=\"https:\/\/cloudflare.com\" class=\"rank-math-link\">CloudFlare<\/a>. Obviamente o que est\u00e1 em verde est\u00e1 OK. O que est\u00e1 em X vermelho precisamos criar no cloudflare. Veja a imagem abaixo:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nota:<\/strong> as duas primeiras entradas que est\u00e3o em verde informam que voc\u00ea criou o IP reverso rDNS de forma correta (abordamos este tema no principio deste texto)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5 &#8211; Criando as entradas NS no CloudFlare, uma a uma<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nota:<\/strong> observe que agora vamos criar entradas para mail e n\u00e3o mais para a raiz do dom\u00ednio:<br><br>6 &#8211; Abaixo exemplo de como criar entrada TLSA. Execute o mesmo de acordo com a tabela acima<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=532796798  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg\"  decoding=\"async\" width=\"1020\" height=\"393\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"\" class=\"wp-image-188\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1020\/h:393\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 1020w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:116\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:296\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:354\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:89\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:135\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:185\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada25tlsa.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7 &#8211; Ap\u00f3s preencher todas as entradas TLSA o resultado ser\u00e1 este:<br><br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1177671062  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg\"  decoding=\"async\" width=\"600\" height=\"298\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Entradas TLSA CloudFlare\" class=\"wp-image-189\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:600\/h:298\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg 600w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:149\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:114\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:174\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:238\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/tlsa-mailcow.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">8 &#8211; Finalizando as configura\u00e7\u00f5es do dom\u00ednio principal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como pudemos ver na tabela do iten 4 ainda faltam algumas entradas essenciais para a configura\u00e7\u00e3o do MailCow. Vamos a elas:<br><br>&#8211;  Entradas MX  s\u00e3o informa\u00e7\u00f5es DNS que declaram e direcionam os servi\u00e7os de email para o servidor de email correto.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1333094244  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png\"  decoding=\"async\" width=\"1022\" height=\"163\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Entrada MX helpsysadmin\" class=\"wp-image-217\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1022\/h:163\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 1022w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:48\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:122\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:147\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:37\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:56\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:77\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/entrada-mx-cloudflare.png 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Entrada SRV <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1677988915  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg\"  decoding=\"async\" width=\"932\" height=\"305\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Entrada DNS Srv\" class=\"wp-image-190\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:932\/h:305\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 932w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:98\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:251\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:301\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:75\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:115\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:157\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/srv-mailcow.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pronto! Vamos verificar se est\u00e1 tudo certo agora, para finalmente, hospedar contas de email, dom\u00ednios etc&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9 &#8211; Assim como fez na op\u00e7\u00e3o 3 clique no bot\u00e3o DNS e aguarde. O resultado esperado \u00e9 &#8220;verde&#8221; para tudo , exceto SPF e DKIM que ainda n\u00e3o configuramos<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1446959729  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg\"  decoding=\"async\" width=\"791\" height=\"842\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"DNS Completo Mailcow\" class=\"wp-image-193\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:791\/h:842\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 791w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:282\/h:300\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 282w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:818\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:245\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:373\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:511\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dns-completo-mailcow-wpp1610147388362.jpg 480w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">9 &#8211; Finalizando com a configura\u00e7\u00e3o do DKIM e SPF<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No Painel de Controle do MailCow, clique no menu superior direito (Configura\u00e7\u00e3o &gt;&gt; Administra\u00e7\u00e3o):<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1893461219  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-admin.jpg\"  decoding=\"async\" width=\"238\" height=\"155\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"\" class=\"wp-image-196\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:238\/h:155\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-admin.jpg 238w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:150\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-admin.jpg 230w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">10 &#8211; A seguir menu esquerdo, localize e clique Administra\u00e7\u00e3o &gt;&gt;  Registro ARC\/DKIM<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=2056593711  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-dkim.jpg\"  decoding=\"async\" width=\"465\" height=\"332\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20100%%20100%%22%20width%3D%22100%%22%20height%3D%22100%%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22100%%22%20height%3D%22100%%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"DKIM Mailcow\" class=\"wp-image-199\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:465\/h:332\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-dkim.jpg 465w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:214\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-dkim.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:164\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-dkim.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:250\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/configuraca-dkim.jpg 350w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">11 &#8211; A cada novo dom\u00ednio que hospedar voc\u00ea dever\u00e1 gerar um DKIN e ajustar o SPF para ele. Preencha da seguinte forma:<br><br><strong>Domain\/s<\/strong> : dom\u00ednio referente a conta q acaba de criar<br><strong>Selector<\/strong>: sugiro deixar o default &#8220;dekin&#8221; (sem aspas)<br><strong>Tamanho do registro DKIM<\/strong>: gosto de utilizar 2048 bits<br><br>Para finalizar clique em  &#8220;<strong>+Salvar<\/strong>&#8221; . Note que uma chave privada foi criada para o DKIM, n\u00f3s vamos utilizar esta esta chave em nosso provedor de DNS.<br><br>Quanto ao SPF, \u00e9 uma tarefa basta importante e simples, por isso vamos abordar no pr\u00f3ximo t\u00f3pico, sobre configura\u00e7\u00e3o do DKIM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">12 &#8211; DKIM<br>Adicione uma entrada TXT com nome dkim._domainkey e no campo conte\u00fado, cole a Prive Key que geramos no passo anterior<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1591996508  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:314\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg\"  decoding=\"async\" width=\"1024\" height=\"314\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20314%22%20width%3D%221024%22%20height%3D%22314%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22314%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Entrada DKIM Cloud HelpSysAdmin\" class=\"wp-image-202\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:314\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:92\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:236\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:283\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:71\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:107\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:147\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1029\/h:316\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/dkim-cloudflare.jpg 1029w\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Insira o SPF<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=1218492003  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:105\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg\"  decoding=\"async\" width=\"1024\" height=\"105\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20105%22%20width%3D%221024%22%20height%3D%22105%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22105%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"SPF MAILCOW\" class=\"wp-image-222\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:105\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:31\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:79\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:95\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:24\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:36\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:49\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1136\/h:117\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/spf.jpg 1136w\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comentando-sobre-ultimos-recursos-importante\">Comentando sobre \u00faltimos recursos importante<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 &#8211; O MailCow \u00e9 totalmente integrado ao Rspamd e possui uma interface onde \u00e9 poss\u00edvel ajustar score, filtros, visualizar logs, etc. Sugiro muito cuidado com a interface, utilize senhas muito seguras e restrinja o acesso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para acessar pelo primeira vamos criar uma senha (bastante segura). <br>Acesse o Painel do MailCow na p\u00e1gina principal,  localize Rspamd. Modifique a senha e clique no link &#8220;<strong>Rspamd UI<\/strong>&#8220;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=667323053  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:227\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png\"  decoding=\"async\" width=\"1024\" height=\"227\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20227%22%20width%3D%221024%22%20height%3D%22227%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22227%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"\" class=\"wp-image-208\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:227\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:66\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:170\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:920\/h:204\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 920w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:51\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:78\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:106\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1358\/h:301\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2021\/01\/rspamd.png 1358w\" \/><figcaption class=\"wp-element-caption\">clique no link para acessar rspamd ap\u00f3s alterar senha<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bastante cuidado com as altera\u00e7\u00f5es no rspamd, symbols, configurations etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deseja ter o MailCow\/ Antivirus, Backups etc, otimizado, instalado e configurado com toda a nossa experi\u00eancia e ainda suporte de 30 dias ? <a href=\"https:\/\/helpsysadmin.com.br\/instalacao-servidor-email-mailcow\/\" target=\"_blank\" rel=\"noreferrer noopener\">Conte conosco, estamos aqui!<\/a>\ud83d\ude42<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Espero que este post tenha lhe ajudado !!! At\u00e9 a pr\u00f3xima \ud83d\ude42<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Veja mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-centmin-mod-no-almalinux\/\">Como instalar o CENTMIN MOD no Almalinux 8<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/finding-the-number-of-email-accounts-on-cpanel-server\/\">Finding the number of email accounts on cPanel server<\/a><\/strong><br>Veja mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/instalar-portainer-nginx-proxy-no-ubuntu\/\">Como instalar Portainer para gerenciamento Docker com Nginx Proxy Manager no Ubuntu<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-mailcow\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to install mailserver Mailcow<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O Mailcow, \u00e9 um servidor de Email completo, que gostamos de indicar, possui uma comunidade bastante ativa, atualiza\u00e7\u00f5es, novidades e fixes quase [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":168,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[21,19,20],"class_list":["post-162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gerenciamento-servidor","tag-docker","tag-mailcow","tag-servidor-de-email"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como instalar o servidor de email Mailcow servidor de email completo<\/title>\n<meta name=\"description\" content=\"Como instalar o servidor de email Mailcow, servidor de email, antispam rspamd eficiente e antivirus poderoso no servidor linux\" \/>\n<meta name=\"robots\" content=\"index, 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