{"id":18908,"date":"2025-10-09T12:50:40","date_gmt":"2025-10-09T09:50:40","guid":{"rendered":"https:\/\/unihost.com\/help\/?p=18908"},"modified":"2025-10-17T11:44:58","modified_gmt":"2025-10-17T08:44:58","slug":"how-to-install-mailu-with-portainer","status":"publish","type":"post","link":"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/","title":{"rendered":"How to Install Mailu with Portainer"},"content":{"rendered":"<p data-start=\"53\" data-end=\"280\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">The simplest and fastest way to install <strong data-start=\"93\" data-end=\"102\">Mailu<\/strong> is to use the Portainer template prepared by our team. This method minimizes manual configuration and allows you to deploy a stable, ready-to-use system in just a few minutes.<\/span><\/p>\n<p data-start=\"282\" data-end=\"301\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><strong data-start=\"282\" data-end=\"299\">Requirements:<\/strong><\/span><\/p>\n<ul data-start=\"302\" data-end=\"424\">\n<li data-start=\"302\" data-end=\"372\">\n<p data-start=\"304\" data-end=\"372\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">A VPS with Portainer installed using the <a href=\"https:\/\/unihost.com\/help\/what-is-portainer\/#installing-portainer-with-the-unihost-script\">Unihost script<\/a>\u00a0<\/span><\/p>\n<\/li>\n<li data-start=\"373\" data-end=\"424\">\n<p data-start=\"375\" data-end=\"424\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">A deployed <a href=\"https:\/\/unihost.com\/help\/nginx-proxy-manager\/#how-to-install-npm-via-portainer\">NPM<\/a> (Nginx Proxy Manager)\u00a0<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"426\" data-end=\"544\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After connecting to Portainer, go to the <strong data-start=\"467\" data-end=\"482\">Application<\/strong> section, select <strong data-start=\"499\" data-end=\"508\">Mailu<\/strong>, and fill in the required fields.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18866 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-47-58.png\" alt=\"How to Install Mailu with Portainer - Image 1\" width=\"752\" height=\"221\" \/ title=\"How to Install Mailu with Portainer - Image 1\"><\/p>\n<p data-start=\"53\" data-end=\"259\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Fill in all the specified fields. Please note: for security, the password must be strong \u2014 use uppercase and lowercase letters, numbers, and special characters to minimize the risk of unauthorized access.<\/span><\/p>\n<p data-start=\"261\" data-end=\"401\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Since our Mailu runs behind Nginx Proxy Manager, select <strong data-start=\"317\" data-end=\"327\">No SSL<\/strong> during setup. The certificate will be issued and connected through NPM.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18870 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-05.png\" alt=\"How to Install Mailu with Portainer - Image 2\" width=\"635\" height=\"468\" \/ title=\"How to Install Mailu with Portainer - Image 2\"><\/p>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After this, a new <strong data-start=\"71\" data-end=\"80\">Mailu<\/strong> stack will appear in the <strong data-start=\"106\" data-end=\"116\">Stacks<\/strong> section. Inside this stack, the containers required for its operation will be deployed.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18874 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-13.png\" alt=\"How to Install Mailu with Portainer - Image 3\" width=\"548\" height=\"67\" \/ title=\"How to Install Mailu with Portainer - Image 3\"><\/p>\n<p data-start=\"53\" data-end=\"234\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">To access Mailu, you need to set up proxying through <strong data-start=\"106\" data-end=\"135\">Nginx Proxy Manager (NPM)<\/strong>.<\/span><br data-start=\"136\" data-end=\"139\" \/><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">A custom domain is required \u2014 add it to NPM and point it to your server\u2019s IP address via DNS.<\/span><\/p>\n<p data-start=\"236\" data-end=\"343\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After this, create a new <strong data-start=\"261\" data-end=\"275\">Proxy Host<\/strong> in NPM and fill in the fields as shown in the example screenshot.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18882 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-21.png\" alt=\"How to Install Mailu with Portainer - Image 4\" width=\"499\" height=\"340\" \/ title=\"How to Install Mailu with Portainer - Image 4\"><\/p>\n<p data-start=\"53\" data-end=\"301\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Once you have added the domain for Mailu in <strong data-start=\"97\" data-end=\"120\">Nginx Proxy Manager<\/strong>, the next step is to issue an SSL certificate.<\/span><br data-start=\"167\" data-end=\"170\" \/><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">To do this, open the created <strong data-start=\"199\" data-end=\"213\" data-is-only-node=\"\">Proxy Host<\/strong>, go to the <strong data-start=\"225\" data-end=\"232\">SSL<\/strong> tab (as shown in the screenshot), and select the certificate type.<\/span><\/p>\n<p data-start=\"303\" data-end=\"446\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">It is recommended to use <strong data-start=\"328\" data-end=\"345\">Let\u2019s Encrypt<\/strong> \u2014 in this case, the certificate will be issued automatically and renewed without your involvement.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18886 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-27.png\" alt=\"How to Install Mailu with Portainer - Image 5\" width=\"513\" height=\"381\" \/ title=\"How to Install Mailu with Portainer - Image 5\"><\/p>\n<p data-start=\"53\" data-end=\"190\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After you have issued the certificate and saved the settings in <strong data-start=\"117\" data-end=\"140\">Nginx Proxy Manager<\/strong>, open the domain you specified in your browser.<\/span><\/p>\n<p data-start=\"192\" data-end=\"346\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">You will see the Mailu login page. Here, enter the username and password that were set during installation (administrator or email account credentials).<\/span><\/p>\n<p data-start=\"348\" data-end=\"439\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">After successful authentication, you will be taken to the Mailu control panel or webmail.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18890 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-35.png\" alt=\"How to Install Mailu with Portainer - Image 6\" width=\"540\" height=\"399\" \/ title=\"How to Install Mailu with Portainer - Image 6\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18894 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-41.png\" alt=\"How to Install Mailu with Portainer - Image 7\" width=\"664\" height=\"493\" \/ title=\"How to Install Mailu with Portainer - Image 7\"><\/p>\n<p data-start=\"53\" data-end=\"207\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">In addition to the administrator panel, you can also use <strong data-start=\"110\" data-end=\"121\">Webmail<\/strong>. To do this, after logging in through your domain, select the corresponding option.<\/span><\/p>\n<p data-start=\"209\" data-end=\"327\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Here you will find the familiar mail client interface: inbox, sent, drafts, trash, as well as contacts and settings.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18898 aligncenter\" src=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-48-48.png\" alt=\"How to Install Mailu with Portainer - Image 8\" width=\"556\" height=\"442\" \/ title=\"How to Install Mailu with Portainer - Image 8\"><\/p>\n<p><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\"><strong data-start=\"95\" data-end=\"109\">Conclusion<\/strong><\/span><br data-start=\"109\" data-end=\"112\" \/><span style=\"font-family: Ubuntu, sans-serif; font-size: 12pt;\">Using the ready-made Mailu template in Portainer allows you to deploy a full-fledged mail server without complex manual configuration. In combination with <strong data-start=\"267\" data-end=\"296\">Nginx Proxy Manager (NPM)<\/strong>, you get convenient domain access and the ability to issue SSL certificates, while the built-in Mailu components provide email functionality, a web interface for users, and an administrative panel. As a result, you have a ready-to-use \u201cout-of-the-box\u201d solution that saves time and simplifies the launch of your own mail service.<\/span><\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The simplest and fastest way to install Mailu is to use the Portainer template prepared by our team. This method minimizes manual configuration and allows you to deploy a stable, ready-to-use system in just a few minutes. Requirements: A VPS with Portainer installed using the Unihost script\u00a0 A deployed NPM (Nginx Proxy Manager)\u00a0 After connecting [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158],"tags":[1055,999,993],"class_list":["post-18908","post","type-post","status-publish","format-standard","hentry","category-dedicated-servers","tag-mailu-2","tag-npm-2","tag-portainer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Install Mailu with Portainer - Unihost.FAQ<\/title>\n<meta name=\"description\" content=\"The simplest and fastest way to install Mailu is to use the Portainer template prepared by our team. This method minimizes manual configuration and allows you to deploy a stable, ready-to-use system in just a few minutes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Install Mailu with Portainer - Unihost.FAQ\" \/>\n<meta property=\"og:description\" content=\"The simplest and fastest way to install Mailu is to use the Portainer template prepared by our team. This method minimizes manual configuration and allows you to deploy a stable, ready-to-use system in just a few minutes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/\" \/>\n<meta property=\"og:site_name\" content=\"Unihost.FAQ\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/unihost\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-09T09:50:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-17T08:44:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-47-58.png\" \/>\n\t<meta property=\"og:image:width\" content=\"752\" \/>\n\t<meta property=\"og:image:height\" content=\"221\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Unihost Support\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@unihost\" \/>\n<meta name=\"twitter:site\" content=\"@unihost\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Unihost Support\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/\"},\"author\":{\"name\":\"Unihost Support\",\"@id\":\"https:\/\/unihost.com\/help\/#\/schema\/person\/bb5ae95f38577c920e6a7507888b715a\"},\"headline\":\"How to Install Mailu with Portainer\",\"datePublished\":\"2025-10-09T09:50:40+00:00\",\"dateModified\":\"2025-10-17T08:44:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/\"},\"wordCount\":452,\"publisher\":{\"@id\":\"https:\/\/unihost.com\/help\/#organization\"},\"image\":{\"@id\":\"https:\/\/unihost.com\/help\/how-to-install-mailu-with-portainer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/unihost.com\/help\/minio.php?2025\/10\/Screenshot-from-2025-10-03-11-47-58.png\",\"keywords\":[\"Mailu\",\"NPM\",\"Portainer\"],\"articleSection\":[\"02. 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