{"id":3449,"date":"2023-01-09T11:04:09","date_gmt":"2023-01-09T11:04:09","guid":{"rendered":"https:\/\/www.emailtechnicalsupport.us\/blog\/?p=3449"},"modified":"2023-01-11T10:48:58","modified_gmt":"2023-01-11T10:48:58","slug":"thunderbird-email-not-working","status":"publish","type":"post","link":"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/","title":{"rendered":"Best Fixes for Thunderbird Email Not Working"},"content":{"rendered":"<p>Mozilla Thunderbird facilitates seamless management of emails for users. However, sometimes, it throws up various issues. Many users complain of <strong>Thunderbird email not working<\/strong>. Email account setup issues, difficulty in sending, receiving, and deleting messages, and the email client not responding are common. But you can fix them with resolutions like changing email and server settings, updating the application, and disabling the firewall.<\/p>\n<p>In this article, we\u2019ll provide you with the best resolutions for common Thunderbird email issues.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 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.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Fix_Thunderbird_Email_Not_Working_with_These_Techniques\" >Fix Thunderbird Email Not Working with These Techniques<\/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.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Review_SMTP_and_IMAP_settings\" >Review SMTP and IMAP settings<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Thunderbird_email_SMTP_settings\" >Thunderbird email SMTP settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#IMAP_settings\" >IMAP settings<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Update_an_outdated_Thunderbird_version\" >Update an outdated Thunderbird version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Rollback_to_the_earlier_Thunderbird_version\" >Rollback to the earlier Thunderbird version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Change_your_password\" >Change your password<\/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.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Whitelist_Thunderbird\" >Whitelist Thunderbird<\/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.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Turn_off_SSL_filtering\" >Turn off SSL filtering<\/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.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Know_the_server_space_limit\" >Know the server space limit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Run_Thunderbird_in_the_Safe_mode\" >Run Thunderbird in the Safe mode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Reduce_connections\" >Reduce connections<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Fix_the_warning_that_the_server_doesnt_use_encryption\" >Fix the warning that the server doesn\u2019t use encryption<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Final_Thoughts\" >Final Thoughts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-email-not-working\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Fix_Thunderbird_Email_Not_Working_with_These_Techniques\"><\/span>Fix Thunderbird Email Not Working with These Techniques<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Go through these resolutions for different problems. Use the one that aligns with your specific problem. We always recommend to users always <a href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/backup-thunderbird-emails\/\">backup Thunderbird emails<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Review_SMTP_and_IMAP_settings\"><\/span>Review SMTP and IMAP settings<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The SMTP server is responsible for forwarding your email to the recipient. So, if SMTP and IMAP settings are wrong, you cannot send and receive emails from your Thunderbird account.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Thunderbird_email_SMTP_settings\"><\/span>Thunderbird email SMTP settings<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>Launch Thunderbird on your device.<\/li>\n<li>Head to the \u2018<strong>Tools<\/strong>\u2019 section.<\/li>\n<li>Here, select \u2018<strong>Account Settings<\/strong>.\u2019<\/li>\n<li>After that, tap \u2018<strong>(SMTP) Outgoing Server<\/strong>.\u2019<\/li>\n<li>See whether your mail server details correspond with that displayed by the browser.<\/li>\n<li>if you cannot, find the settings.<\/li>\n<li>Search for \u2018<strong>New Mail Settings (SMTP)<\/strong>.\u2019<\/li>\n<li>In Thunderbird, choose \u2018<strong>Account Settings<\/strong>.\u2019<\/li>\n<li>Examine your password, username, and email address.<\/li>\n<li>Ensure that you use the right SMTP server for your Thunderbird email address.<\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"IMAP_settings\"><\/span>IMAP settings<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>Launch the menu by tapping the three lines.<\/li>\n<li>Go down to \u2018<strong>Options<\/strong>\u2019 and choose \u2018<strong>Server Settings<\/strong>.\u2019<\/li>\n<li>Check whether you are using the right IMAP settings.<\/li>\n<li>Check your email client\u2019s official website to determine the correct IMAP settings.<\/li>\n<\/ol>\n<blockquote><p>Also Read: <a href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-not-receiving-emails\/\">Thunderbird Not Receiving Emails<\/a><\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"Update_an_outdated_Thunderbird_version\"><\/span>Update an outdated Thunderbird version<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you find <strong>Thunderbird not responding<\/strong>, it may be because of an outdated version of the app. Here are the points to update it.<\/p>\n<ol>\n<li>Launch your Thunderbird app.<\/li>\n<li>Move to the \u2018<strong>Help<\/strong>\u2019 menu.<\/li>\n<li>Select the \u2018<strong>About Thunderbird<\/strong>\u2019 option.<\/li>\n<li>The program will automatically check for updates.<\/li>\n<li>When the updates are ready to install, choose \u2018<strong>Restart Thunderbird<\/strong>\u2019 to update.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Rollback_to_the_earlier_Thunderbird_version\"><\/span>Rollback to the earlier Thunderbird version<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you don\u2019t have Thunderbird 78 or versions higher than that, you may find <strong>Thunderbird update problems<\/strong>. These versions need enhanced TLS security. You can prevent these email issues by rolling back to an earlier version.<\/p>\n<ol>\n<li>Head to \u2018<strong>Menu<\/strong>\u2019 in your application.<\/li>\n<li>Now, select \u2018<strong>Preferences<\/strong>\u2019 followed by \u2018<strong>Updates<\/strong>.\u2019<\/li>\n<li>Change your preference to \u2018<strong>Check for updates, but let me choose whether to install them<\/strong>.\u2019<\/li>\n<li>Now, uninstall Thunderbird.<\/li>\n<li>Get a version prior to Thunderbird 78.<\/li>\n<li>Download and install it.<\/li>\n<li>Use it and see if you face <strong>Thunderbird email problems<\/strong>.<\/li>\n<\/ol>\n<blockquote><p>Also Read: <a href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-wont-send-email\/\">Thunderbird Won&#8217;t Send Email on Desktop<\/a><\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"Change_your_password\"><\/span>Change your password<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Do you find your <strong>Thunderbird not showing emails<\/strong>? It can be because your password is changed in your ISPs web-based email interface. Change it in Thunderbird as well.<\/p>\n<ol>\n<li>Look at the top of the Thunderbird window.<\/li>\n<li>Tap \u2018<strong>Tools<\/strong>\u2019 on the menu bar.<\/li>\n<li>Now, choose \u2018<strong>Settings<\/strong>.\u2019<\/li>\n<li>On the \u2018<strong>Security<\/strong>\u2019 panel, tap the \u2018<strong>Passwords<\/strong>\u2019 tab.<\/li>\n<li>Next, tap \u2018<strong>Saved passwords\u2026<\/strong>\u2019<\/li>\n<li>Tap the relevant account and hit \u2018<strong>Remove<\/strong>.\u2019<\/li>\n<li>Relaunch Thunderbird.<\/li>\n<li>Enter a new password and see if you can use your account.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Whitelist_Thunderbird\"><\/span>Whitelist Thunderbird<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you notice that your <strong>Thunderbird email stopped working<\/strong>, it can be because of the interference by your antivirus. So, whitelisting the application will prevent you from facing such issues.<\/p>\n<ol>\n<li>In Windows Security, head to \u2018<strong>Settings<\/strong>.\u2019<\/li>\n<li>Pick \u2018<strong>Update &amp; Security<\/strong>.\u2019<\/li>\n<li>Select \u2018<strong>Windows Security<\/strong>.\u2019<\/li>\n<li>Tap \u2018<strong>Virus &amp; Threat Protection<\/strong>.\u2019<\/li>\n<li>Here, pick the \u2018<strong>Manage Settings<\/strong>\u2019 option.<\/li>\n<li>Select \u2018<strong>Add an exclusion<\/strong>\u2019 and choose \u2018<strong>Thunderbird<\/strong>.\u2019<\/li>\n<li>If the Windows firewall is the antivirus, open it.<\/li>\n<li>Choose \u2018<strong>Allow an app through the firewall<\/strong>.\u2019<\/li>\n<li>Tap \u2018<strong>Change settings<\/strong>.\u2019<\/li>\n<li>Tap \u2018<strong>Allow another app<\/strong>\u2019 and add Thunderbird to the list<strong>.<\/strong><\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Turn_off_SSL_filtering\"><\/span>Turn off SSL filtering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Do you use a security program from ESET? In such a case, you will find <strong>Thunderbird not showing emails<\/strong> if SSL filtering is enabled. Here is the process to disable it.<\/p>\n<ol>\n<li>Open the ESET program and hit the F5 key.<\/li>\n<li>The Advanced Setup will open.<\/li>\n<li>Tap \u2018<strong>Web and email<\/strong>\u2019 and expand SSL\/TLS.<\/li>\n<li>Turn off the SSL\/TLS protocol filtering via the slider.<\/li>\n<li>Now, save the applied changes.<\/li>\n<li>Finally, restart your system.<\/li>\n<\/ol>\n<blockquote><p>Also Read: <a href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/thunderbird-not-working-with-gmail\/\">Thunderbird Not Working with Gmail<\/a><\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"Know_the_server_space_limit\"><\/span>Know the server space limit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Thunderbird email problems, <\/strong>such as not receiving new emails, can also happen because of a shortage of server space. To get new emails, you must have ample server space.<\/p>\n<p>The emails of IMAP accounts are stored on the server. So IMAP email account in Thunderbird provides you access to what is on this server. The company owning the server will offer you some space on the server for your emails.<\/p>\n<p>If you\u2019ve exceeded the server space, it prevents the process of getting new emails. So, a good option is to delete old emails. Another option is to examine settings to ensure that you can synchronize folders and download entire copies. After that, copy the downloaded copies into the Local Folder\u2019s mail account. Now you will have a copy of the folders not present on the server. So, you can delete emails on the server and get some space.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Run_Thunderbird_in_the_Safe_mode\"><\/span>Run Thunderbird in the Safe mode<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Is your <strong>Thunderbird not responding<\/strong>? Try to run it from the Safe mode.<\/p>\n<ol>\n<li>Launch the \u2018<strong>Settings<\/strong>\u2019 application by hitting the Windows and I keys together.<\/li>\n<li>Next, choose \u2018<strong>Update &amp; security<\/strong>.\u2019<\/li>\n<li>Select \u2018<strong>Recovery<\/strong>\u2019 in the left pane.<\/li>\n<li>Hit the \u2018<strong>Restart now<\/strong>\u2019 button.<\/li>\n<li>When the system restarts, select \u2018<strong>Troubleshoot<\/strong>\u2019 followed by \u2018<strong>Advanced Options<\/strong>.\u2019<\/li>\n<li>Next, choose \u2018<strong>Startup Settings<\/strong>.\u2019<\/li>\n<li>Hit the \u2018<strong>Restart<\/strong>\u2019 button.<\/li>\n<li>Press F5 to enable the Safe mode with networking.<\/li>\n<li>Now, disable add-ons by checking the same option.<\/li>\n<li>Click \u2018<strong>Make Changes<\/strong>\u2019 and restart.<\/li>\n<li>Now, your Thunderbird will respond and not freeze frequently.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Reduce_connections\"><\/span>Reduce connections<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You may need to reduce connections if you find <strong>Thunderbird email not working<\/strong>. Issues like the IMAP server error can be resolved with this technique.<\/p>\n<ol>\n<li>Choose \u2018<strong>Tools<\/strong>\u2019 from the menu.<\/li>\n<li>Now, select \u2018<strong>Account Settings<\/strong>.\u2019<\/li>\n<li>Pick \u2018<strong>Server Settings<\/strong>.\u2019<\/li>\n<li>Hit the \u2018<strong>Advanced<\/strong>\u2019 button.<\/li>\n<li>In the \u2018<strong>Configuration<\/strong>\u2019 dialog box, modify the maximum number of server connections.<\/li>\n<li>Make it three or fewer.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Fix_the_warning_that_the_server_doesnt_use_encryption\"><\/span>Fix the warning that the server doesn\u2019t use encryption<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sometimes, while setting up a Thunderbird account, you may get a warning saying that your server doesn\u2019t support encryption. Use these steps to fix it.<\/p>\n<ol>\n<li>Check that your server supports encryption.<\/li>\n<li>Modify the settings by tapping the \u2018<strong>Change Settings<\/strong>\u2019 button.<\/li>\n<li>If the server doesn\u2019t support encryption, you may use Thunderbird at your own risk.<\/li>\n<li>So, check the box, \u2018<strong>I understand the risk<\/strong>.\u2019<\/li>\n<li>Tap \u2018<strong>Create account<\/strong>.\u2019<\/li>\n<\/ol>\n<blockquote><p>Also Read: <a href=\"https:\/\/www.emailtechnicalsupport.us\/blog\/setup-gmail-in-thunderbird\/\">Setup Gmail In Thunderbird<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span>Final Thoughts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When you find <strong>Thunderbird email not working<\/strong>, it can be tough to find a good solution. But now you have a definitive guide to resolve common errors. If you need more help, contact an email technical support expert.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Q1. How do I repair Thunderbird?<\/p>\n<p>Ans. You can repair folders in Mozilla Thunderbird if you find your archived messages going missing. Use these steps to make Thunderbird rebuild the folder index.<\/p>\n<ul>\n<li>Right-click the folder to repair and pick \u2018<strong>Properties<\/strong>.\u2019<\/li>\n<li>Head to the \u2018<strong>General Information<\/strong>\u2019 tab.<\/li>\n<li>Choose \u2018<strong>Repair Folder<\/strong>.\u2019<\/li>\n<li>Select \u2018<strong>OK<\/strong>.\u2019<\/li>\n<\/ul>\n<p>Q2. How should I reset Thunderbird?<\/p>\n<p>Ans. You can easily reset Thunderbird by using it in Safe mode. Use the steps described above for using Thunderbird in the Safe mode.<\/p>\n<p>Q3. How to uninstall and reinstall Thunderbird?<\/p>\n<p>Ans. You can uninstall Thunderbird easily.<\/p>\n<ul>\n<li>Invoke the \u2018<strong>Charms<\/strong>\u2019 menu and hit \u2018<strong>Settings<\/strong>.\u2019<\/li>\n<li>Here, choose the \u2018<strong>Control Panel<\/strong>\u2019 option.<\/li>\n<li>Tap \u2018<strong>Uninstall a program<\/strong>.\u2019<\/li>\n<li>Select \u2018<strong>Mozilla Thunderbird<\/strong>.\u2019<\/li>\n<li>Tap \u2018<strong>Uninstall<\/strong>\u2019 and use the instructions to uninstall the application.<\/li>\n<li>After that, reinstall it.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Mozilla Thunderbird facilitates seamless management of emails for users. However, sometimes, it throws up various issues. Many users complain of Thunderbird email not working. Email account setup issues, difficulty in sending, receiving, and deleting messages, and the email client not responding are common. But you can fix them with resolutions [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3450,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>10 Ways to Resolve Thunderbird Email Not Working Error<\/title>\n<meta name=\"description\" content=\"Use these fixes for Thunderbird email not working. Review SMTP and IMAP settings. Launch Thunderbird and head to the \u2018Tools\u2019 section. 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