{"id":5761,"date":"2022-01-24T07:56:43","date_gmt":"2022-01-24T13:56:43","guid":{"rendered":"https:\/\/www.knownhost.com\/kb\/?p=5761"},"modified":"2022-08-23T09:37:56","modified_gmt":"2022-08-23T14:37:56","slug":"smtp-error-504","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/kb\/smtp-error-504\/","title":{"rendered":"SMTP Error 504"},"content":{"rendered":"\n

Description<\/strong>: Command parameter not implemented.<\/p>\n\n\n\n

What does this mean?<\/h2>\n\n\n\n

This is another name or reference for SMTP Error # 502. Please reference it’s documentation.<\/p>\n","protected":false},"excerpt":{"rendered":"

Description: Command parameter not implemented. What does this mean? This is another name or reference for SMTP Error # 502. Please reference it’s documentation.<\/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":[571,380,291],"class_list":["post-5761","post","type-post","status-publish","format-standard","hentry","category-other","tag-571","tag-error","tag-smtp"],"yoast_head":"\nSMTP Error 504 - KnownHost<\/title>\n<meta name=\"description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 504 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-504\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SMTP Error 504 - KnownHost\" \/>\n<meta property=\"og:description\" content=\"KnownHost self-hosted email guide to help you troubleshoot and fix SMTP Error 504 on your premium KnownHost server.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knownhost.com\/kb\/smtp-error-504\/\" \/>\n<meta property=\"og:site_name\" content=\"KnownHost\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-24T13:56:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-23T14:37:56+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-504\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-504\\\/\"},\"author\":{\"name\":\"Somesh Z\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/8b518f13cf69dd00d147e577d63ff3b1\"},\"headline\":\"SMTP Error 504\",\"datePublished\":\"2022-01-24T13:56:43+00:00\",\"dateModified\":\"2022-08-23T14:37:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-504\\\/\"},\"wordCount\":24,\"keywords\":[\"504\",\"error\",\"SMTP\"],\"articleSection\":[\"Other\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-504\\\/\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/smtp-error-504\\\/\",\"name\":\"SMTP Error 504 - 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