{"id":5793,"date":"2022-01-24T07:56:44","date_gmt":"2022-01-24T13:56:44","guid":{"rendered":"https:\/\/www.knownhost.com\/kb\/?p=5793"},"modified":"2022-08-24T06:36:44","modified_gmt":"2022-08-24T11:36:44","slug":"smtp-error-554","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/","title":{"rendered":"SMTP Error 554"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #212121;color:#212121\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #212121;color:#212121\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/#what_does_this_mean\" >What does this mean?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/#how_to_fix_smtp_error_554\" >How to fix SMTP Error 554?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong>Description<\/strong>: Transaction failed (Or, in the case of a connection-opening response, &#8220;No SMTP service here&#8221;).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what_does_this_mean\"><\/span>What does this mean?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The receiving mail server will not accept your message. Typically in relation to your sending mail server being blacklisted.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how_to_fix_smtp_error_554\"><span class=\"ez-toc-section\" id=\"how_to_fix_smtp_error_554\"><\/span>How to fix SMTP Error 554?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Check your server&#8217;s IP for any possible blacklisting.<\/li><li>If not blacklisted, request your IP be whitelisted by the receiving server.<\/li><\/ul>\n\n\n\n<p><strong>If no blacklists report the IP as blacklisted, it&#8217;s probably Talos<\/strong>&nbsp;(<a href=\"https:\/\/talosintelligence.com\/reputation_center\" rel=\"nofollow\">Talos Reputation Center<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description: Transaction failed (Or, in the case of a connection-opening response, &#8220;No SMTP service here&#8221;). What does this mean? The receiving mail server will not accept your message. Typically in relation to your sending mail server being blacklisted. How to fix SMTP Error 554? Check your server&#8217;s IP for any possible blacklisting.If not blacklisted, request [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[584,380,291],"class_list":["post-5793","post","type-post","status-publish","format-standard","hentry","category-other","tag-584","tag-error","tag-smtp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SMTP Error 554 - KnownHost<\/title>\n<meta name=\"description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SMTP Error 554 - KnownHost\" \/>\n<meta property=\"og:description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/\" \/>\n<meta property=\"og:site_name\" content=\"KnownHost\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-24T13:56:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-24T11:36:44+00:00\" \/>\n<meta name=\"author\" content=\"Somesh Z\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Somesh Z\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/\"},\"author\":{\"name\":\"Somesh Z\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/8b518f13cf69dd00d147e577d63ff3b1\"},\"headline\":\"SMTP Error 554\",\"datePublished\":\"2022-01-24T13:56:44+00:00\",\"dateModified\":\"2022-08-24T11:36:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/\"},\"wordCount\":80,\"keywords\":[\"554\",\"error\",\"SMTP\"],\"articleSection\":[\"Other\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/\",\"name\":\"SMTP Error 554 - KnownHost\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#website\"},\"datePublished\":\"2022-01-24T13:56:44+00:00\",\"dateModified\":\"2022-08-24T11:36:44+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/8b518f13cf69dd00d147e577d63ff3b1\"},\"description\":\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-554\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SMTP Error 554\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#website\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/\",\"name\":\"KnownHost\",\"description\":\"KnownHost provides a comprehensive webhosting knowledge base to help answer many of your common webhosting and linux questions.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/8b518f13cf69dd00d147e577d63ff3b1\",\"name\":\"Somesh Z\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g\",\"caption\":\"Somesh Z\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SMTP Error 554 - KnownHost","description":"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/","og_locale":"en_US","og_type":"article","og_title":"SMTP Error 554 - KnownHost","og_description":"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.","og_url":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/","og_site_name":"KnownHost","article_published_time":"2022-01-24T13:56:44+00:00","article_modified_time":"2022-08-24T11:36:44+00:00","author":"Somesh Z","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Somesh Z","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/#article","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/"},"author":{"name":"Somesh Z","@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/8b518f13cf69dd00d147e577d63ff3b1"},"headline":"SMTP Error 554","datePublished":"2022-01-24T13:56:44+00:00","dateModified":"2022-08-24T11:36:44+00:00","mainEntityOfPage":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/"},"wordCount":80,"keywords":["554","error","SMTP"],"articleSection":["Other"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/","url":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/","name":"SMTP Error 554 - KnownHost","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/#website"},"datePublished":"2022-01-24T13:56:44+00:00","dateModified":"2022-08-24T11:36:44+00:00","author":{"@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/8b518f13cf69dd00d147e577d63ff3b1"},"description":"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 554 on your premium KnownHost server.","breadcrumb":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.knownhost.com\/kb\/smtp-error-554\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-554\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.knownhost.com\/kb\/"},{"@type":"ListItem","position":2,"name":"SMTP Error 554"}]},{"@type":"WebSite","@id":"https:\/\/www.knownhost.com\/kb\/#website","url":"https:\/\/www.knownhost.com\/kb\/","name":"KnownHost","description":"KnownHost provides a comprehensive webhosting knowledge base to help answer many of your common webhosting and linux questions.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.knownhost.com\/kb\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/8b518f13cf69dd00d147e577d63ff3b1","name":"Somesh Z","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/276c97317c2d6905cc5a1bd9ceb10a0fd121cc4da22126f648fa88f95dcf32dd?s=96&d=mm&r=g","caption":"Somesh Z"}}]}},"_links":{"self":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts\/5793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/comments?post=5793"}],"version-history":[{"count":0,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts\/5793\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/media?parent=5793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/categories?post=5793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/tags?post=5793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}