{"id":3794,"date":"2026-02-25T06:12:41","date_gmt":"2026-02-25T09:12:41","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=3794"},"modified":"2026-05-11T17:28:20","modified_gmt":"2026-05-11T20:28:20","slug":"mailcow-sogo-504-gateway-timeout-solucao","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/mailcow-sogo-504-gateway-timeout-solucao\/","title":{"rendered":"Mailcow SOGo 504 Gateway Time-out: Como Resolver Agora"},"content":{"rendered":"<div id=\"helps-1217657800\" 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<h2 class=\"wp-block-heading\">Introdu\u00e7\u00e3o<\/h2>\n\n\n\n<p>O erro <strong>mailcow sogo 504 gateway time-out<\/strong> \u00e9 um dos problemas mais comuns em ambientes Mailcow utilizando Docker. Quando esse erro aparece, normalmente o webmail deixa de responder, o login demora excessivamente e os usu\u00e1rios n\u00e3o conseguem acessar mensagens, calend\u00e1rios ou contatos.<\/p>\n\n\n\n<p>Na maioria dos casos, o problema est\u00e1 relacionado a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>containers travados;<\/li>\n\n\n\n<li>sobrecarga de CPU;<\/li>\n\n\n\n<li>falta de mem\u00f3ria RAM;<\/li>\n\n\n\n<li>MariaDB lento;<\/li>\n\n\n\n<li>Dovecot congestionado;<\/li>\n\n\n\n<li>timeout do Nginx;<\/li>\n\n\n\n<li>armazenamento insuficiente.<\/li>\n<\/ul>\n\n\n\n<p>Entender a causa do <strong>mailcow sogo 504 gateway time-out<\/strong> \u00e9 fundamental para restaurar rapidamente o funcionamento do servidor de e-mail.<\/p>\n\n\n\n<p>Neste guia completo voc\u00ea aprender\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>o que significa o erro;<\/li>\n\n\n\n<li>principais causas;<\/li>\n\n\n\n<li>como diagnosticar;<\/li>\n\n\n\n<li>comandos \u00fateis;<\/li>\n\n\n\n<li>solu\u00e7\u00f5es r\u00e1pidas;<\/li>\n\n\n\n<li>otimiza\u00e7\u00f5es preventivas.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">O Que Significa o Erro 504 Gateway Time-out no SOGo?<\/h2>\n\n\n\n<p>O erro <strong>mailcow sogo 504 gateway time-out<\/strong> acontece quando o Nginx n\u00e3o consegue obter resposta do backend do SOGo dentro do tempo configurado.<\/p>\n\n\n\n<p>O fluxo do Mailcow normalmente funciona assim:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Usu\u00e1rio \u2192 Nginx \u2192 SOGo \u2192 Dovecot \u2192 MariaDB<\/code><\/pre>\n\n\n\n<p>Se qualquer componente ficar lento:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>o webmail trava;<\/li>\n\n\n\n<li>o login demora;<\/li>\n\n\n\n<li>p\u00e1ginas n\u00e3o carregam;<\/li>\n\n\n\n<li>o erro 504 aparece.<\/li>\n<\/ul>\n\n\n\n<p>Esse comportamento \u00e9 muito comum em VPS pequenas ou servidores sobrecarregados.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-principais-causas-do-erro-504-no-sogo\">Principais Causas do Erro 504 no SOGo<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Container do SOGo travado<\/h3>\n\n\n\n<p>Uma das causas mais frequentes do <strong>mailcow sogo 504 gateway time-out<\/strong> \u00e9 o container do SOGo entrar em estado:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>unhealthy;<\/li>\n\n\n\n<li>restarting;<\/li>\n\n\n\n<li>exited.<\/li>\n<\/ul>\n\n\n\n<p>Isso geralmente ocorre ap\u00f3s:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>falta de RAM;<\/li>\n\n\n\n<li>uso excessivo de swap;<\/li>\n\n\n\n<li>travamento do banco de dados;<\/li>\n\n\n\n<li>sobrecarga do Docker.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">MariaDB lento<\/h3>\n\n\n\n<p>O SOGo depende diretamente do banco de dados.<\/p>\n\n\n\n<p>Quando o MariaDB apresenta lentid\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>login demora;<\/li>\n\n\n\n<li>sincroniza\u00e7\u00e3o falha;<\/li>\n\n\n\n<li>webmail trava;<\/li>\n\n\n\n<li>timeout aparece.<\/li>\n<\/ul>\n\n\n\n<p>O problema pode ocorrer por:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>disco lento;<\/li>\n\n\n\n<li>queries pesadas;<\/li>\n\n\n\n<li>falta de \u00edndices;<\/li>\n\n\n\n<li>mem\u00f3ria insuficiente.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Problemas no Dovecot<\/h3>\n\n\n\n<p>O Dovecot \u00e9 respons\u00e1vel pelo IMAP no Mailcow.<\/p>\n\n\n\n<p>Quando o Dovecot fica lento:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mensagens n\u00e3o carregam;<\/li>\n\n\n\n<li>caixas postais travam;<\/li>\n\n\n\n<li>autentica\u00e7\u00e3o demora;<\/li>\n\n\n\n<li>o <strong>mailcow sogo 504 gateway time-out<\/strong> pode aparecer.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">VPS com pouca mem\u00f3ria<\/h3>\n\n\n\n<p>Mailcow exige recursos relativamente altos.<\/p>\n\n\n\n<p>Ambientes com:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2 GB RAM;<\/li>\n\n\n\n<li>1 vCPU;<\/li>\n\n\n\n<li>HDD lento;<\/li>\n<\/ul>\n\n\n\n<p>normalmente apresentam instabilidade.<\/p>\n\n\n\n<p>O Docker pode consumir rapidamente toda mem\u00f3ria dispon\u00edvel, causando swap excessiva e travamento dos containers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-diagnosticar-o-erro-504-no-sogo\">Como Diagnosticar o Erro 504 no SOGo<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique containers ativos<\/h3>\n\n\n\n<p>O primeiro passo \u00e9 verificar os containers:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker ps<\/code><\/pre>\n\n\n\n<p>Confira principalmente:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sogo-mailcow;<\/li>\n\n\n\n<li>nginx-mailcow;<\/li>\n\n\n\n<li>mysql-mailcow;<\/li>\n\n\n\n<li>dovecot-mailcow;<\/li>\n\n\n\n<li>redis-mailcow.<\/li>\n<\/ul>\n\n\n\n<p>Se algum estiver reiniciando constantemente, o problema provavelmente j\u00e1 foi identificado.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique logs do SOGo<\/h3>\n\n\n\n<p>Os logs ajudam muito no diagn\u00f3stico do <strong>mailcow sogo 504 gateway time-out<\/strong>.<\/p>\n\n\n\n<p>Execute no diretorio do mailcow:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>cd \/opt\/mailcow-dockerized\/\ndocker compose logs --tail=200 sogo-mailcow<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D8DEE9\">cd<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">opt<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">mailcow<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">dockerized<\/span><span style=\"color: #81A1C1\">\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">docker<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">compose<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">logs<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">--<\/span><span style=\"color: #D8DEE9\">tail<\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #B48EAD\">200<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">sogo<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">mailcow<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<p>Mensagens comuns incluem:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>connection timeout<br>worker crashed<br>mysql timeout<br>memcached unreachable<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Analise uso de mem\u00f3ria<\/h3>\n\n\n\n<p>Verifique RAM:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>free -m<\/code><\/pre>\n\n\n\n<p>Cheque swap:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapon --show<\/code><\/pre>\n\n\n\n<p>E monitore processos:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>htop<\/code><\/pre>\n\n\n\n<p>Se o servidor estiver usando swap constantemente, o SOGo provavelmente ficar\u00e1 lento.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique uso de CPU<\/h3>\n\n\n\n<p>Execute:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>top<\/code><\/pre>\n\n\n\n<p>ou:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>htop<\/code><\/pre>\n\n\n\n<p>Alta utiliza\u00e7\u00e3o de CPU no:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MariaDB;<\/li>\n\n\n\n<li>Dovecot;<\/li>\n\n\n\n<li>Redis;<\/li>\n\n\n\n<li>Docker;<\/li>\n<\/ul>\n\n\n\n<p>pode causar o <strong>mailcow sogo 504 gateway time-out<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-resolver-o-erro-504-no-mailcow\">Como Resolver o Erro 504 no Mailcow<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Reinicie os containers<\/h3>\n\n\n\n<p>Em muitos casos isso resolve imediatamente.<\/p>\n\n\n\n<p>Entre no diret\u00f3rio do Mailcow:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/opt\/mailcow-dockerized<\/code><\/pre>\n\n\n\n<p>Depois execute:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose restart sogo-mailcow<br>docker compose restart nginx-mailcow<\/code><\/pre>\n\n\n\n<p>Ou reinicie tudo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose restart<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Reinicie toda stack Docker<\/h3>\n\n\n\n<p>Se o problema persistir:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose down<br>docker compose up -d<\/code><\/pre>\n\n\n\n<p>Isso for\u00e7a a reconstru\u00e7\u00e3o da comunica\u00e7\u00e3o entre os containers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Aumente timeout do Nginx<\/h3>\n\n\n\n<p>Outro m\u00e9todo eficiente para resolver o erro 504 no SOGo \u00e9 aumentar os limites do proxy reverso.<\/p>\n\n\n\n<p>Crie:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/opt\/mailcow-dockerized\/data\/conf\/nginx\/site.sogo.custom<\/code><\/pre>\n\n\n\n<p>Adicione:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>proxy_connect_timeout 300;<br>proxy_send_timeout 300;<br>proxy_read_timeout 300;<br>send_timeout 300;<\/code><\/pre>\n\n\n\n<p>Depois reinicie:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose restart nginx-mailcow<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Como Corrigir Problemas de Banco de Dados<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique processos do MariaDB<\/h3>\n\n\n\n<p>Entre no container:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose exec mysql-mailcow mysql -u root -p<\/code><\/pre>\n\n\n\n<p>Depois execute:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SHOW PROCESSLIST;<\/code><\/pre>\n\n\n\n<p>Se houver queries travadas, o SOGo ficar\u00e1 aguardando resposta.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Otimize o MariaDB<\/h3>\n\n\n\n<p>Algumas otimiza\u00e7\u00f5es importantes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>aumentar innodb_buffer_pool_size;<\/li>\n\n\n\n<li>usar SSD NVMe;<\/li>\n\n\n\n<li>reduzir swap;<\/li>\n\n\n\n<li>habilitar cache adequado.<\/li>\n<\/ul>\n\n\n\n<p>Essas melhorias ajudam a reduzir o <strong>mailcow sogo 504 gateway time-out<\/strong> em servidores movimentados.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Como Resolver Problemas no Dovecot<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique logs IMAP<\/h3>\n\n\n\n<p>Execute:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose logs --tail=100 dovecot-mailcow<\/code><\/pre>\n\n\n\n<p>Procure:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>deadlock;<\/li>\n\n\n\n<li>timeout;<\/li>\n\n\n\n<li>auth failed;<\/li>\n\n\n\n<li>index corruption.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Reconstrua \u00edndices<\/h3>\n\n\n\n<p>\u00cdndices corrompidos podem causar lentid\u00e3o extrema.<\/p>\n\n\n\n<p>Voc\u00ea pode reconstruir os \u00edndices IMAP para restaurar desempenho.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Problemas de Disco no Mailcow<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verifique espa\u00e7o dispon\u00edvel<\/h3>\n\n\n\n<p>Cheque armazenamento:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>df -h<\/code><\/pre>\n\n\n\n<p>Cheque inode:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>df -i<\/code><\/pre>\n\n\n\n<p>Quando o disco enche:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MariaDB trava;<\/li>\n\n\n\n<li>Docker falha;<\/li>\n\n\n\n<li>SOGo congela;<\/li>\n\n\n\n<li>o erro 504 aparece.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">DNS Lento Tamb\u00e9m Pode Gerar Timeout<\/h2>\n\n\n\n<p>Poucos administradores percebem isso.<\/p>\n\n\n\n<p>DNS lento pode causar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>login travado;<\/li>\n\n\n\n<li>autentica\u00e7\u00e3o lenta;<\/li>\n\n\n\n<li>timeout no SOGo.<\/li>\n<\/ul>\n\n\n\n<p>Teste:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>time nslookup google.com<\/code><\/pre>\n\n\n\n<p>Use DNS r\u00e1pidos:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.1.1.1<br>1.0.0.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Requisitos Recomendados Para Mailcow<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ambiente pequeno<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Usu\u00e1rios<\/th><th>RAM<\/th><\/tr><\/thead><tbody><tr><td>at\u00e9 10 usu\u00e1rios<\/td><td>4 GB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ambiente m\u00e9dio<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Usu\u00e1rios<\/th><th>RAM<\/th><\/tr><\/thead><tbody><tr><td>at\u00e9 50 usu\u00e1rios<\/td><td>8 GB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ambiente grande<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Usu\u00e1rios<\/th><th>RAM<\/th><\/tr><\/thead><tbody><tr><td>100+ usu\u00e1rios<\/td><td>16 GB ou mais<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Quanto melhor a infraestrutura, menor a chance de enfrentar erros de timeout no SOGo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Otimiza\u00e7\u00f5es Preventivas<\/h2>\n\n\n\n<p>Para evitar novos problemas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>monitore Docker;<\/li>\n\n\n\n<li>utilize SSD NVMe;<\/li>\n\n\n\n<li>acompanhe logs regularmente;<\/li>\n\n\n\n<li>configure swap adequadamente;<\/li>\n\n\n\n<li>monitore CPU e RAM;<\/li>\n\n\n\n<li>otimize MariaDB;<\/li>\n\n\n\n<li>mantenha Mailcow atualizado.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Comandos R\u00e1pidos de Diagn\u00f3stico<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Verificar containers<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>docker ps<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Verificar mem\u00f3ria<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>free -m<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Verificar armazenamento<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>df -h<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Verificar logs do <strong><a href=\"https:\/\/www.sogo.nu\/\">SOGo<\/a><\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>docker compose logs --tail=50 sogo-mailcow<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Solu\u00e7\u00e3o R\u00e1pida Que Resolve a Maioria dos Casos<\/h2>\n\n\n\n<p>Execute:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/opt\/mailcow-dockerized<br><br>docker compose restart sogo-mailcow nginx-mailcow dovecot-mailcow redis-mailcow memcached-mailcow<\/code><\/pre>\n\n\n\n<p>Na maioria dos cen\u00e1rios, isso j\u00e1 restaura o funcionamento do webmail.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n\n\n<p>O erro 504 no SOGo normalmente est\u00e1 relacionado a problemas de desempenho, containers travados ou infraestrutura insuficiente.<\/p>\n\n\n\n<p>As principais causas incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>falta de RAM;<\/li>\n\n\n\n<li>MariaDB lento;<\/li>\n\n\n\n<li>Dovecot congestionado;<\/li>\n\n\n\n<li>timeout do Nginx;<\/li>\n\n\n\n<li>armazenamento cheio.<\/li>\n<\/ul>\n\n\n\n<p>Com os diagn\u00f3sticos corretos e ajustes adequados, \u00e9 poss\u00edvel resolver rapidamente o problema e manter o Mailcow est\u00e1vel mesmo em ambientes maiores.<\/p>\n\n\n\n<p>Al\u00e9m disso, investir em otimiza\u00e7\u00e3o preventiva reduz drasticamente a ocorr\u00eancia de novos erros 504 no SOGo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-faq\">FAQ<\/h3>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1778531160483\"><strong class=\"schema-faq-question\"><\/strong> <p class=\"schema-faq-answer\"><\/p> <\/div> <\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772010401660\"><strong class=\"schema-faq-question\">Por que o SOGo apresenta erro 504 Gateway Time-out?<\/strong> <p class=\"schema-faq-answer\">No Mailcow, o erro 504 ocorre quando o servidor Nginx n\u00e3o recebe uma resposta do servi\u00e7o SOGo ou PHP-FPM a tempo. As causas comuns s\u00e3o falta de mem\u00f3ria RAM, excesso de e-mails na caixa de entrada ou n\u00famero insuficiente de <em>workers<\/em> configurados.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772010426755\"><strong class=\"schema-faq-question\">Como aumentar o tempo de resposta (timeout) no Mailcow?<\/strong> <p class=\"schema-faq-answer\">Voc\u00ea deve ajustar as diretivas <code>proxy_read_timeout<\/code> e <code>fastcgi_read_timeout<\/code> nas configura\u00e7\u00f5es do Nginx dentro do volume de dados do Mailcow (<code>data\/conf\/nginx\/<\/code>), al\u00e9m de verificar se o servi\u00e7o backend n\u00e3o est\u00e1 sobrecarregado.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772010450603\"><strong class=\"schema-faq-question\">Como verificar logs do SOGo no Mailcow?<\/strong> <p class=\"schema-faq-answer\">Use o comando:<br>cd \/opt\/mailcow-dockerized\/<br><code>docker compose logs --tail=200 sogo-mailcow<\/code><\/p> <\/div> <\/div>\n\n\n\n<p><strong>[Precisa de ajuda com algum problema?\u00a0<br><a href=\"https:\/\/helpsysadmin.com.br\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nossa equipe est\u00e1 dispon\u00edvel 24 horas por dia, 7 dias por semana<\/a>\u00a0.]<\/strong><br><br><strong>Veja Mais:<\/strong><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/otimizacao-servidor-compartilhado-arquitetura\/\" target=\"_blank\" rel=\"noreferrer noopener\">Otimiza\u00e7\u00e3o de Servidor Compartilhado: Arquitetura e Tuning<\/a><\/strong><br><br><a href=\"https:\/\/helpsysadmin.com.br\/blog\/escolher-entre-cpanel-e-directadmin\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Como Escolher Entre cPanel e DirectAdmin<\/strong><\/a><br><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/directadmin-vs-cpanel-economia-recursos\/\">Gerenciamento de Hospedagem Web: DirectAdmin vs cPanel e a Economia de Recursos<\/a><\/strong><br><br><a href=\"https:\/\/helpsysadmin.com.br\/blog\/cloudlinux-lve-manager-limitar-cpu-ram\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>CloudLinux LVE Manager: Como Limitar CPU e RAM<\/strong><\/a><br><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/configuracoes-php-fpm-directadmin\/\" target=\"_blank\" rel=\"noreferrer noopener\">Onde ficam as configura\u00e7\u00f5es PHP-FPM no DirectAdmin? (Guia 2026)<\/a><\/strong><br><br><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/cloudlinux-lve-limitar-cpu-ram-usuario\/\">CloudLinux LVE: Como Limitar CPU e RAM por Usu\u00e1rio (cPanel e DirectAdmin)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o O erro mailcow sogo 504 gateway time-out \u00e9 um dos problemas mais comuns em ambientes Mailcow utilizando Docker. Quando esse erro [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4187],"tags":[3747,3751,4440,3743,4454,19,4445,4442,4444,4446,4441,3745,3749,4443],"class_list":["post-3794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monitoramento-e-troubleshooting","tag-configurar-sogo-docker","tag-diagnostico-de-e-mail-self-hosted","tag-docker-mail-server","tag-erro-504-mailcow","tag-linux-mail-server","tag-mailcow","tag-mailcow-504","tag-mailcow-docker","tag-mailcow-sogo","tag-sogo","tag-sogo-504-gateway-time-out","tag-sogo_workers","tag-timeout-nginx","tag-webmail-mailcow"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mailcow SOGo 504 Gateway Time-out: Como Resolver Agora<\/title>\n<meta name=\"description\" content=\"Aprenda como resolver o erro Mailcow SOGo 504 Gateway Time-out rapidamente. 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