{"id":2676,"date":"2022-01-05T11:07:18","date_gmt":"2022-01-05T11:07:18","guid":{"rendered":"https:\/\/www.emailsupport.us\/blog\/?p=2676"},"modified":"2022-03-16T12:47:26","modified_gmt":"2022-03-16T12:47:26","slug":"thunderbird-wont-send-email","status":"publish","type":"post","link":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/","title":{"rendered":"7 Steps To Fix Thunderbird Won&#8217;t Send Email Problem"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thunderbird, built by the Mozilla Corporation, is a free and open-source app that millions of people use for sending and receiving emails. But no application is immune from technical hiccups. If you use Thunderbird, you might encounter issues with sending emails. It is common to find Thunderbird won&#8217;t send email and act strange. In such a case, there arises a need to fix this situation. You might find this email client not performing any activity as it should. Even restarting it won&#8217;t resolve the problem. Don&#8217;t worry. In this post, you&#8217;ll find some quick troubleshooting measures for this problem.<\/span><\/p>\n<blockquote><p><strong>Also Check:- <a target=\"_blank\" href=\"https:\/\/www.emailsupport.us\/blog\/how-to-sync-google-calendar-with-thunderbird\/\" rel=\"noopener\">How to Sync Google Calendar with Thunderbird<\/a><\/strong><\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey 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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#Ways_to_Resolve_Thunderbird_Wont_Send_Email_Problem\" >Ways to Resolve Thunderbird Won&#8217;t Send Email Problem<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#1_Inspect_the_SMTP_Settings\" >1. Inspect the SMTP Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#2_Verify_that_You_are_Using_Proper_SMTP_Settings\" >2. Verify that You are Using Proper SMTP Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#3_Ensure_that_Emails_are_not_Getting_Blocked\" >3. Ensure that Emails are not Getting Blocked<\/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.emailsupport.us\/blog\/thunderbird-wont-send-email\/#Windows_Security\" >Windows Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#Windows_Firewall\" >Windows Firewall<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#4_Delete_Your_SMTP_Password_and_Reset_the_Email_Account\" >4. Delete Your SMTP Password and Reset the Email Account<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#5_Reset_Your_SMTP_Password\" >5. Reset Your SMTP Password<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#6_Raise_a_Service_Request\" >6. Raise a Service Request<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#7_Rollback_Thunderbird_to_a_Previous_Version\" >7. Rollback Thunderbird to a Previous Version<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#Final_Words\" >Final Words<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Ways_to_Resolve_Thunderbird_Wont_Send_Email_Problem\"><\/span><span style=\"color: #ff9900;\"><b>Ways to Resolve Thunderbird Won&#8217;t Send Email Problem<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">You can begin sending emails in Mozilla Thunderbird by implementing some good fixes. Follow the stepwise instructions for each of them below.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_Inspect_the_SMTP_Settings\"><\/span><span style=\"color: #eb2f8a;\"><b>1. Inspect the SMTP Settings<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">You first need to open the Thunderbird application and check the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/serversmtp.com\/thunderbird-smtp-settings\/\">SMTP settings<\/a> when you find an issue with sending emails. Follow the steps below.<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to &#8216;<strong>Tools<\/strong>&#8216; and then to &#8216;<strong>Account Settings<\/strong>.&#8217; Alternatively, you can also tap on the three bars, which you can find on the top right side of the screen.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">From the dialog box of &#8216;<strong>Account Settings<\/strong>,&#8217; choose &#8216;<strong>Outgoing Server (SMTP)<\/strong>.&#8217; You need to ensure the SMTP settings are accurate for the account you have configured<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tap on the &#8216;<strong>Edit<\/strong>&#8216; button for modifying SMTP details.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to the website of the email provider and look for &#8216;<strong>Mail Settings<\/strong>.&#8217; Choose &#8216;<strong>SMTP<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Thunderbird settings here should correspond with the documented settings.\u00a0<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Verify_that_You_are_Using_Proper_SMTP_Settings\"><\/span><span style=\"color: #eb2f8a;\"><strong>2. Verify that You are Using Proper SMTP Settings<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">In order to get rid of problems in sending emails, you should verify that only the correct SMTP setting is being utilized. Launch the Thunderbird and proceed with these steps.\u00a0<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to &#8216;<strong>Tools<\/strong>&#8216; and then to &#8216;<strong>Account Settings<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">From the dialog box of &#8216;<strong>Account Settings<\/strong>,&#8217; choose the account name that&#8217;s having email problems.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">After that, verify that the accurate SMTP server is getting used for the email ID. Note that you cannot send an email through xyz@gmail.com using the Yahoo SMTP.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Ensure_that_Emails_are_not_Getting_Blocked\"><\/span><span style=\"color: #eb2f8a;\"><b>3. Ensure that Emails are not Getting Blocked<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Often, users find that Thunderbird won&#8217;t send emails due to a firewall or antivirus software interrupting the email. Turn off any such software and send an email to ensure that your emails are not getting blocked. It will likely remove any third-party software that might be causing issues in sending emails.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It might be possible that your antivirus or Firewall does not trust any new updates or the particular Thunderbird version you are using. If this is the scenario, you can whitelist Thunderbird in the antivirus software. Follow these pointers for it on Windows Security and Windows firewall.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Windows_Security\"><\/span><span style=\"color: #00ff00;\"><b>Windows Security<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In Windows Security, go to &#8216;<strong>Settings<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Choose &#8216;<strong>Update &amp; Security<\/strong>&#8216; and select &#8216;<strong>Windows Security<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Go to the &#8216;<strong>Manage settings<\/strong>&#8216; option after tapping on &#8216;<strong>Virus &amp; threat protection<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to the option of &#8216;<strong>Add an exclusion<\/strong>&#8216; through &#8216;<strong>Add or remove exclusions<\/strong>&#8216; and choose Thunderbird.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Windows_Firewall\"><\/span><span style=\"color: #00ff00;\"><b>Windows Firewall<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In the search box, input &#8216;<strong>firewall<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Choose the option of &#8216;<strong>Allow an app through the firewall<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tap on &#8216;<strong>Change settings<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Add Thunderbird to this list after pressing the &#8216;<strong>Allow another app<\/strong>&#8216; button.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Most Internet Service Providers also obstruct outgoing email messages from port 25. In this case, you must modify the port number to 587 or 465. But change the port number only after consulting your service provider.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_Delete_Your_SMTP_Password_and_Reset_the_Email_Account\"><\/span><span style=\"color: #eb2f8a;\"><b>4. Delete Your SMTP Password and Reset the Email Account<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Another effective resolution for this issue is to delete the password on SMTP and reset your email account. For it, first, update the Thunderbird to the recent version. After that, send a mail to confirm that Thunderbird cannot send email. Then follow these points.<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to the three bars and choose &#8216;<strong>Tools<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">From there, choose &#8216;<strong>Options<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Next, go to &#8216;<strong>Security<\/strong>&#8216; and then to &#8216;<strong>Password<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">After that, delete your SMTP password and reset the email account to send emails again. It will allow you to resolve this problem concerning sending emails to a significant extent.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_Reset_Your_SMTP_Password\"><\/span><span style=\"color: #eb2f8a;\"><b>5. Reset Your SMTP Password<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Resetting the SMTP password is the next step that you should follow after you delete it. For resetting, navigate to the internet service provider&#8217;s website and tap &#8216;Reset password.&#8217; Modify your password. Then add it to Thunderbird. You will notice that it removes the error. You will be able to send emails after that.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"6_Raise_a_Service_Request\"><\/span><span style=\"color: #eb2f8a;\"><b>6. Raise a Service Request<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">If you find none of the methods working, the best way forward is to raise a support request. You should raise it with the expert team of Thunderbird. Follow these steps.<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Take a screenshot of your SMTP settings and affix it along with your email ID, mail providers like Yahoo or Gmail, internet service provider, and the like.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Don&#8217;t forget to add which version of firewall or antivirus you are using.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Keep in mind to mention the version number of Thunderbird as well as the details of the operating system. Often, a support request to the team of Mozilla Thunderbird resolves the issues that users face in sending emails.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"7_Rollback_Thunderbird_to_a_Previous_Version\"><\/span><span style=\"color: #eb2f8a;\"><b>7. Rollback Thunderbird to a Previous Version<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">If you have Thunderbird 78 or versions higher than that, it&#8217;s important to remember that these versions require enhanced TLS security standards. When a service provider doesn&#8217;t support the fresh TLS network encryption protocols, the Thunderbird email doesn&#8217;t work correctly. You&#8217;ll find that Thunderbird won&#8217;t send emails. An effective solution for this situation is to rollback Thunderbird to an earlier version. Follow this process.<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Navigate to &#8216;<strong>Menu<\/strong>&#8216; in your existing Thunderbird version. Then go to &#8216;<strong>Preferences<\/strong>&#8216; and scroll to &#8216;<strong>Updates<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Switch the preference to &#8216;<strong>Check for updates, but let me choose whether to install them<\/strong>.&#8217;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Uninstall Thunderbird and download a version that&#8217;s earlier than Thunderbird 78.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Install this version on your system.<\/span><\/li>\n<\/ol>\n<blockquote><p><strong>Also Check, Why:- <a target=\"_blank\" href=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-email-not-working\/\" rel=\"noopener\">Thunderbird email not working<\/a><\/strong><\/p><\/blockquote>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Final_Words\"><\/span><span style=\"color: #ff9900;\"><b>Final Words<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">When Thunderbird won&#8217;t send email, it can seem very annoying to people, especially those who use it for official work. But now you know the exact steps to follow for troubleshooting this issue. If you still find the problem unresolved, connect with Thunderbird <a target=\"_blank\" href=\"https:\/\/www.emailsupport.us\/\" rel=\"noopener\"><strong>email support<\/strong><\/a> service. The expert technicians will troubleshoot all issues related to it.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thunderbird, built by the Mozilla Corporation, is a free and open-source app that millions of people use for sending and receiving emails. But no application is immune from technical hiccups. If you use Thunderbird, you might encounter issues with sending emails. It is common to find Thunderbird won&#8217;t send email [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[864],"tags":[929,928,926,927],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thunderbird Won&#039;t Send Email? Know Here How To Fix It!<\/title>\n<meta name=\"description\" content=\"Thunderbird won&#039;t send email? Open the Thunderbird application and inspect the SMTP settings. Go to &#039;Tools&#039; and then to &#039;Account Settings.&#039; Choose &#039;Outgoing Server.&#039;\" \/>\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.emailsupport.us\/blog\/thunderbird-wont-send-email\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thunderbird Won&#039;t Send Email? Know Here How To Fix It!\" \/>\n<meta property=\"og:description\" content=\"Thunderbird won&#039;t send email? Open the Thunderbird application and inspect the SMTP settings. Go to &#039;Tools&#039; and then to &#039;Account Settings.&#039; Choose &#039;Outgoing Server.&#039;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/\" \/>\n<meta property=\"og:site_name\" content=\"emailsupport.us\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-05T11:07:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-16T12:47:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emailsupport.us\/blog\/wp-content\/uploads\/2022\/01\/Thunderbird-Wont-Send-Email.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"450\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/\",\"url\":\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/\",\"name\":\"Thunderbird Won't Send Email? Know Here How To Fix It!\",\"isPartOf\":{\"@id\":\"https:\/\/www.emailsupport.us\/blog\/#website\"},\"datePublished\":\"2022-01-05T11:07:18+00:00\",\"dateModified\":\"2022-03-16T12:47:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/3b8d3d21a186f90d86da6d7a2d0e9a9f\"},\"description\":\"Thunderbird won't send email? Open the Thunderbird application and inspect the SMTP settings. Go to 'Tools' and then to 'Account Settings.' Choose 'Outgoing Server.'\",\"breadcrumb\":{\"@id\":\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.emailsupport.us\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Thunderbird Email\",\"item\":\"https:\/\/www.emailsupport.us\/blog\/category\/thunderbird-email\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"7 Steps To Fix Thunderbird Won&#8217;t Send Email Problem\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.emailsupport.us\/blog\/#website\",\"url\":\"https:\/\/www.emailsupport.us\/blog\/\",\"name\":\"emailsupport.us\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.emailsupport.us\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/3b8d3d21a186f90d86da6d7a2d0e9a9f\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"caption\":\"admin\"},\"sameAs\":[\"https:\/\/www.linkedin.com\/\"],\"url\":\"https:\/\/www.emailsupport.us\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Thunderbird Won't Send Email? Know Here How To Fix It!","description":"Thunderbird won't send email? Open the Thunderbird application and inspect the SMTP settings. Go to 'Tools' and then to 'Account Settings.' Choose 'Outgoing 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.emailsupport.us\/blog\/thunderbird-wont-send-email\/","og_locale":"en_US","og_type":"article","og_title":"Thunderbird Won't Send Email? Know Here How To Fix It!","og_description":"Thunderbird won't send email? Open the Thunderbird application and inspect the SMTP settings. Go to 'Tools' and then to 'Account Settings.' Choose 'Outgoing Server.'","og_url":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/","og_site_name":"emailsupport.us","article_published_time":"2022-01-05T11:07:18+00:00","article_modified_time":"2022-03-16T12:47:26+00:00","og_image":[{"width":800,"height":450,"url":"https:\/\/www.emailsupport.us\/blog\/wp-content\/uploads\/2022\/01\/Thunderbird-Wont-Send-Email.webp","type":"image\/webp"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"admin","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/","url":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/","name":"Thunderbird Won't Send Email? Know Here How To Fix It!","isPartOf":{"@id":"https:\/\/www.emailsupport.us\/blog\/#website"},"datePublished":"2022-01-05T11:07:18+00:00","dateModified":"2022-03-16T12:47:26+00:00","author":{"@id":"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/3b8d3d21a186f90d86da6d7a2d0e9a9f"},"description":"Thunderbird won't send email? Open the Thunderbird application and inspect the SMTP settings. Go to 'Tools' and then to 'Account Settings.' Choose 'Outgoing Server.'","breadcrumb":{"@id":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.emailsupport.us\/blog\/thunderbird-wont-send-email\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emailsupport.us\/blog\/"},{"@type":"ListItem","position":2,"name":"Thunderbird Email","item":"https:\/\/www.emailsupport.us\/blog\/category\/thunderbird-email\/"},{"@type":"ListItem","position":3,"name":"7 Steps To Fix Thunderbird Won&#8217;t Send Email Problem"}]},{"@type":"WebSite","@id":"https:\/\/www.emailsupport.us\/blog\/#website","url":"https:\/\/www.emailsupport.us\/blog\/","name":"emailsupport.us","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.emailsupport.us\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/3b8d3d21a186f90d86da6d7a2d0e9a9f","name":"admin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emailsupport.us\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","caption":"admin"},"sameAs":["https:\/\/www.linkedin.com\/"],"url":"https:\/\/www.emailsupport.us\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/posts\/2676"}],"collection":[{"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/comments?post=2676"}],"version-history":[{"count":9,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/posts\/2676\/revisions"}],"predecessor-version":[{"id":2914,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/posts\/2676\/revisions\/2914"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/media\/2719"}],"wp:attachment":[{"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/media?parent=2676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/categories?post=2676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emailsupport.us\/blog\/wp-json\/wp\/v2\/tags?post=2676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}