{"id":1091,"date":"2018-08-27T07:00:10","date_gmt":"2018-08-27T07:00:10","guid":{"rendered":"https:\/\/www.arysontechnologies.com\/blog\/?p=1091"},"modified":"2026-04-15T13:18:43","modified_gmt":"2026-04-15T13:18:43","slug":"fix-email-error-550-outlook","status":"publish","type":"post","link":"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/","title":{"rendered":"How to Fix Email Error 550 in Outlook 2013, 2016, 2010 &amp; 2007"},"content":{"rendered":"<p class=\"block_sum\"><em>Outlook users very often experience the email error 550 Outlook when they try to send emails. This error, also known as SMTP Error 550, appears as a notification that indicates that the email could not be sent to the <strong>receiver&rsquo;s server<\/strong>. In case this issue is not solved, it can prevent users from sending and receiving their non-avoidable email messages, which can create a <strong>lack of communication<\/strong>. To help you resolve this issue, this article covers some of the common symptoms &amp; root causes of Outlook Error 550. Along with that, we will also discuss some effective manual methods and understand the use of the <a href=\"https:\/\/www.arysontechnologies.com\/outlook-pst-repair.html\"><strong>Aryson Outlook PST Repair Tool<\/strong><\/a> to quickly resolve the issue.<\/em><span class=\"block_btn\"><a class=\"custom-download-btn\" href=\"https:\/\/www.arysontechnologies.com\/demo-version\/aryson-outlook-recovery.exe\"><i class=\"icon-windows\"><\/i> Download Now<\/a>&nbsp;&nbsp;<a class=\"custom-buy-btn\" href=\"https:\/\/www.arysontechnologies.com\/outlook-recovery\/order-now.html\"><i class=\"icon-windows\"><\/i> Purchase Now<\/a><\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-light-blue 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: #999;color:#999\" 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: #999;color:#999\" 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.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Symptoms_of_Email_Error_550_in_Outlook\" >Symptoms of Email Error 550 in Outlook<\/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.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#What_Causes_Email_Error_550_Outlook\" >What Causes Email Error 550 Outlook?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Quick_Fixes_to_Resolve_the_Email_Error_550_in_Outlook\" >Quick Fixes to Resolve the Email Error 550 in Outlook<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Fix_1_Check_and_Correct_the_Recipients_Email_Address\" >Fix 1: Check and Correct the Recipient&#8217;s Email Address<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Steps_to_Check_and_Correct_the_Recipients_Email_Address\" >Steps to Check and Correct the Recipient&#8217;s Email Address<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Fix_2_Enable_Outgoing_Server_SMTP_Authentication\" >Fix 2: Enable Outgoing Server (SMTP) Authentication<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Steps_to_Enable_SMTP_Authentication_in_Outlook\" >Steps to Enable SMTP Authentication in Outlook<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Fix_3_Advanced_Software_to_Fix_Email_Error_550_Outlook\" >Fix 3: Advanced Software to Fix Email Error 550 Outlook<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Simplified_Steps_to_Resolve_the_Email_Error_550_are_as_follows\" >Simplified Steps to Resolve the Email Error 550 are as follows:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Symptoms_of_Email_Error_550_in_Outlook\"><\/span>Symptoms of Email Error 550 in Outlook<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You might notice some of the signs that indicate the presence of an email error 550 in your Outlook. Listed below are some of them; check for the symptom in your situation.&nbsp;<\/p>\n<ul>\n<li>Users receive an error message: &#8220;<strong>550 Requested action not taken: mailbox unavailable<\/strong>.&#8221;<\/li>\n<li>Email sent to the <strong>receivers get rejected<\/strong> by the recipient&#8217;s SMTP server.<\/li>\n<li>Outlook shows an error message with server response code 550 &amp; error number <strong>0x800CCC79<\/strong>.<\/li>\n<li>Sent emails appear to <strong>leave the Outbox<\/strong> but never reach the recipient&#8217;s inbox.<\/li>\n<li>Users may see variations such as &#8220;<strong>550 Relaying Denied<\/strong>&#8221; or &#8220;<strong>550 5.7.1 message rejected.&#8221;<\/strong><\/li>\n<\/ul>\n<div class=\"user-query mb-3\">\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"What_Causes_Email_Error_550_Outlook\"><\/span>What Causes Email Error 550 Outlook?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before we proceed to the quick fixes to resolve the email error 550 in Outlook, it is important to know what exactly caused this error in the first place. Listed below are some of the causes to consider.&nbsp;<\/p>\n<ul>\n<li>You might have entered an <strong>incorrect recipient email address<\/strong>.<\/li>\n<li>Probably, the SMTP authentication is <strong>not enabled<\/strong> in the outgoing server settings.<\/li>\n<li>Even a <strong>flagged <\/strong>or <strong>blacklisted IP address<\/strong> or sending domain can initiate the error 550.&nbsp;<\/li>\n<li>The <strong>recipient&#8217;s mailbox<\/strong> has been <strong>deactivated<\/strong>, <strong>deleted<\/strong>, or is <strong>temporarily unavailable<\/strong>.<\/li>\n<li>The end-user might have configured the outgoing SMTP port settings <strong>incorrectly<\/strong>.&nbsp;<\/li>\n<li>Also, <strong>spam-trigger words<\/strong> or <strong>too many<\/strong> <strong>external links<\/strong> can cause server rejection.<\/li>\n<\/ul>\n<\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Quick_Fixes_to_Resolve_the_Email_Error_550_in_Outlook\"><\/span>Quick Fixes to Resolve the Email Error 550 in Outlook<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Considering the causes in the above section, we will discuss some of the simplest yet effective fixes to resolve the email error 550 in Outlook. Choose one of these Outlook error 550 fixes as per the root cause of the error, time consumption, technical expertise, and data integrity.<\/p>\n<p>The following are the methods to be discussed in detail in the upcoming sections.&nbsp;<\/p>\n<ul>\n<li>Fix 1: Check and Correct the Recipient&#8217;s Email Address<\/li>\n<li>Fix 2: Enable Outgoing Server (SMTP) Authentication<\/li>\n<li>Fix 3: Use Advanced Software for Corrupted Outlook Data Files<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fix_1_Check_and_Correct_the_Recipients_Email_Address\"><\/span>Fix 1: Check and Correct the Recipient&#8217;s Email Address<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A simple typing mistake in the recipient&#8217;s email address can lead to Outlook sending error 550. To fix it, you just have to verify and correct the address before resending.<\/p>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Steps_to_Check_and_Correct_the_Recipients_Email_Address\"><\/span>Steps to Check and Correct the Recipient&#8217;s Email Address<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>First, open the <strong>notification email<\/strong> in your Outlook Sent Items folder.<\/li>\n<li>After that, <strong>cross-verify<\/strong> the recipient&#8217;s email address and see whether there are any spelling mistakes.<\/li>\n<li>If you find a mistake, <strong>compose a new email<\/strong> &amp; type the correct address manually.<\/li>\n<li>Make sure not to <strong>select the address<\/strong> from the auto-complete suggestions.&nbsp;<\/li>\n<li>At last, click <strong>Send <\/strong>&amp; <strong>check <\/strong>if the email is delivered successfully this time.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Fix_2_Enable_Outgoing_Server_SMTP_Authentication\"><\/span>Fix 2: Enable Outgoing Server (SMTP) Authentication<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The error message &#8220;550 Relay not permitted&#8221; also takes place due to a failed connection between the email client &amp; the mail server. This is because the SMTP authentication is not turned on, or the stored credentials are incorrect. After enabling it in Outlook settings, this issue gets resolved in most of the cases.&nbsp;<\/p>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Steps_to_Enable_SMTP_Authentication_in_Outlook\"><\/span>Steps to Enable SMTP Authentication in Outlook<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>To begin, open <strong>Outlook <\/strong>&amp; go to <strong>File <\/strong>&gt;&gt; <strong>Account Settings<\/strong> &gt;&gt; <strong>Account Settings<\/strong>.<\/li>\n<li>After that, <strong>select the desired<\/strong> email account from the list &amp; click on Change.&nbsp;<\/li>\n<li>Next, click on <strong>More Settings<\/strong> in the bottom-right corner.<\/li>\n<li>Now, <strong>navigate <\/strong>to the <strong>Outgoing Server<\/strong> tab.<\/li>\n<li>Check the box that says &#8220;<strong>My outgoing server (SMTP) requires authentication<\/strong>.&#8221;<\/li>\n<li>Select &#8220;<strong>Use same settings as my incoming mail server<\/strong>.&#8221;<\/li>\n<li>Click <strong>OK<\/strong>, then <strong>Next<\/strong>, to save the changes.<\/li>\n<li>At last, <strong>try to send a test email<\/strong> to confirm that the error is resolved or not.&nbsp;<\/li>\n<\/ol>\n<p><strong>Note:<\/strong> If none of the above methods resolved the issue, the problem may be deeper than the incorrect configurations. In some cases, a corrupt or damaged PST file can trigger send and receiver failures, including Error 550. To repair these files, refer to the advanced software covered in the section below.<\/p>\n<div class=\"user-query mb-3\">\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Fix_3_Advanced_Software_to_Fix_Email_Error_550_Outlook\"><\/span>Fix 3: Advanced Software to Fix Email Error 550 Outlook<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Aryson Outlook PST Repair Software<\/strong> is one of the most reliable solutions used to repair corrupt PST and OST files &amp; restore all Outlook data that is blocked. Several organizations rely on this software to recover their <strong>multiple damaged Outlook data<\/strong> files in one go. This software can recover <strong>emails, contacts, calendars, tasks, and attachments<\/strong> with <strong>high accuracy<\/strong>. Additionally, it provides the user with advanced <strong>scanning modes<\/strong>, <strong>preview options<\/strong>, &amp; <strong>flexible saving formats<\/strong>. Also, users do not have to navigate to different software. They can just use the same software to <a href=\"https:\/\/www.arysontechnologies.com\/updates\/fix-corrupt-pst-file-outlook-2026\/\">fix PST corruption issues<\/a> and other Outlook issues efficiently. It helps users restore inaccessible Outlook data quickly, without any data loss. Now, follow the steps below carefully to resolve the error 550 in Outlook.&nbsp;<\/p>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Simplified_Steps_to_Resolve_the_Email_Error_550_are_as_follows\"><\/span>Simplified Steps to Resolve the Email Error 550 are as follows:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>Firstly, download &amp; run the <strong>Aryson Outlook PST Repair<\/strong> <strong>software <\/strong>on your system.<\/li>\n<li>After that, click on the <strong>Browse <\/strong>button to select the required PST file.<\/li>\n<li>Now, choose one of the <strong>available scanning modes<\/strong> to scan the selected file.<\/li>\n<li>Use the <strong>advanced features<\/strong> &gt;&gt; click <strong>OK <\/strong>to start the scan process.<\/li>\n<li>Select the required mailbox items &amp; <strong>cross-verify<\/strong> them after scanning completes.<\/li>\n<li>Save the recovered data in <strong>PST, PDF, EML<\/strong>, or any other required format.<\/li>\n<li>At last, click <strong>Ok <\/strong>to save the recovered mailbox data to your desired location.<\/li>\n<\/ol>\n<\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In this article, we discussed some of the most common symptoms &amp; causes of the email error 550 outlook. We also explored two different manual methods, along with their steps. Even we understood the use of the above automated software developed for beginners. Now, the final choice of method is up to the end-user and their technical expertise. A technical expert can even perform the manual steps, whereas for a complete beginner, it is better to opt for the software. Make sure you consider all the required aspects before choosing one of the two methods, and then pick the suitable one.&nbsp;<\/p>\n<h2 class=\"faq-main_heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1776259009486\"><strong class=\"schema-faq-question\"><strong>Q1. What is Email Error 550 in Outlook?\u00a0<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> Error 550 Mailbox Unavailable in Outlook is an SMTP delivery failure that occurs when the recipient&#8217;s mail server rejects your outgoing email. It is commonly accompanied by messages like &#8220;mailbox unavailable&#8221; or &#8220;relaying denied.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776259032822\"><strong class=\"schema-faq-question\"><strong>Q2. Why does Outlook show Error 550 when sending emails?\u00a0<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans: <\/strong>Outlook Error 550 can occur due to an incorrect recipient address, disabled SMTP authentication, wrong port settings, a blacklisted IP address, or a corrupted Outlook data file.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776259053510\"><strong class=\"schema-faq-question\"><strong>Q3. How do I enable SMTP authentication in Outlook 2010 or 2013?\u00a0<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> Go to File >> Account Settings >> select your account >> Change >> More Settings >> Outgoing Server tab, and check &#8220;My outgoing server (SMTP) requires authentication.&#8221;<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776259071887\"><strong class=\"schema-faq-question\"><strong>Q4. Can a corrupted PST file cause Error 550 in Outlook?\u00a0<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans: <\/strong>Yes, in some cases a corrupted or damaged Outlook data file can contribute to email sending failures. You can use the Aryson OST to PST Converter to repair and restore the file.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776259091369\"><strong class=\"schema-faq-question\"><strong>Q5. Does fixing Error 550 require reinstalling Outlook?\u00a0<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans:<\/strong> No, if you are using the Aryson Outlook PST Repair software, there is no need to reinstall Outlook for fixing the error 550.<\/p> <\/div> <\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;1091&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Fix Email Error 550 in Outlook 2013, 2016, 2010 \\u0026amp; 2007&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Outlook users very often experience the email error 550 Outlook when they try to send emails. This error, also known<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139],"tags":[],"class_list":["post-1091","post","type-post","status-publish","format-standard","hentry","category-outlook"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Fix Email Error 550 in Outlook 2013, 2016, 2010 &amp; 2007<\/title>\n<meta name=\"description\" content=\"Explore methods to fix email error 550 in Outlook 2013, 2016, 2010 &amp; 2007 when you got 550 error during sending a message with outlook.\" \/>\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.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Fix Email Error 550 in Outlook 2013, 2016, 2010 &amp; 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Why does Outlook show Error 550 when sending emails?\u00a0\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<strong>Ans: <\\\/strong>Outlook Error 550 can occur due to an incorrect recipient address, disabled SMTP authentication, wrong port settings, a blacklisted IP address, or a corrupted Outlook data file.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-email-error-550-outlook\\\/#faq-question-1776259053510\",\"position\":3,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-email-error-550-outlook\\\/#faq-question-1776259053510\",\"name\":\"Q3. 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Why does Outlook show Error 550 when sending emails?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans: <\/strong>Outlook Error 550 can occur due to an incorrect recipient address, disabled SMTP authentication, wrong port settings, a blacklisted IP address, or a corrupted Outlook data file.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#faq-question-1776259053510","position":3,"url":"https:\/\/www.arysontechnologies.com\/blog\/fix-email-error-550-outlook\/#faq-question-1776259053510","name":"Q3. 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