{"id":5725,"date":"2022-01-24T07:56:22","date_gmt":"2022-01-24T13:56:22","guid":{"rendered":"https:\/\/www.knownhost.com\/kb\/?p=5725"},"modified":"2022-08-23T09:21:42","modified_gmt":"2022-08-23T14:21:42","slug":"smtp-error-431","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/","title":{"rendered":"SMTP Error 431"},"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-431\/#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-431\/#how_to_fix_smtp_error_431\" >How to fix SMTP Error 431?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong>Description<\/strong>: Not enough storage or out of memory.<\/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 actual message may seem a little misleading. This is not in relation to the receiving\/destination server running out of memory or not having enough storage for delivery. This is actually in regards to the amount of recipients the email message has. Suggesting that the receiving server can not parse which of the recipients it is supposed to deliver to.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how_to_fix_smtp_error_431\"><\/span>How to fix SMTP Error 431?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Considering this error is specific to having too many recipients, attempt a new email message to the failed recipient. Make sure they are the only recipient for that message.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description: Not enough storage or out of memory. What does this mean? The actual message may seem a little misleading. This is not in relation to the receiving\/destination server running out of memory or not having enough storage for delivery. This is actually in regards to the amount of recipients the email message has. Suggesting [&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":[555,380,291],"class_list":["post-5725","post","type-post","status-publish","format-standard","hentry","category-other","tag-555","tag-error","tag-smtp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SMTP Error 431 - KnownHost<\/title>\n<meta name=\"description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 431 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-431\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SMTP Error 431 - KnownHost\" \/>\n<meta property=\"og:description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 431 on your premium KnownHost server.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/\" \/>\n<meta property=\"og:site_name\" content=\"KnownHost\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-24T13:56:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-23T14:21:42+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-431\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/\"},\"author\":{\"name\":\"Somesh Z\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/8b518f13cf69dd00d147e577d63ff3b1\"},\"headline\":\"SMTP Error 431\",\"datePublished\":\"2022-01-24T13:56:22+00:00\",\"dateModified\":\"2022-08-23T14:21:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/\"},\"wordCount\":109,\"keywords\":[\"431\",\"error\",\"SMTP\"],\"articleSection\":[\"Other\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/\",\"name\":\"SMTP Error 431 - KnownHost\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#website\"},\"datePublished\":\"2022-01-24T13:56:22+00:00\",\"dateModified\":\"2022-08-23T14:21:42+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 431 on your premium KnownHost server.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-431\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SMTP Error 431\"}]},{\"@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 431 - KnownHost","description":"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 431 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-431\/","og_locale":"en_US","og_type":"article","og_title":"SMTP Error 431 - KnownHost","og_description":"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 431 on your premium KnownHost server.","og_url":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/","og_site_name":"KnownHost","article_published_time":"2022-01-24T13:56:22+00:00","article_modified_time":"2022-08-23T14:21:42+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-431\/#article","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/"},"author":{"name":"Somesh Z","@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/8b518f13cf69dd00d147e577d63ff3b1"},"headline":"SMTP Error 431","datePublished":"2022-01-24T13:56:22+00:00","dateModified":"2022-08-23T14:21:42+00:00","mainEntityOfPage":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/"},"wordCount":109,"keywords":["431","error","SMTP"],"articleSection":["Other"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/","url":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/","name":"SMTP Error 431 - KnownHost","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/#website"},"datePublished":"2022-01-24T13:56:22+00:00","dateModified":"2022-08-23T14:21:42+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 431 on your premium KnownHost server.","breadcrumb":{"@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.knownhost.com\/kb\/smtp-error-431\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.knownhost.com\/kb\/smtp-error-431\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.knownhost.com\/kb\/"},{"@type":"ListItem","position":2,"name":"SMTP Error 431"}]},{"@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\/5725","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=5725"}],"version-history":[{"count":0,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts\/5725\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/media?parent=5725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/categories?post=5725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/tags?post=5725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}