{"id":9360,"date":"2026-06-02T05:53:25","date_gmt":"2026-06-02T03:53:25","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=9360"},"modified":"2026-06-02T05:53:26","modified_gmt":"2026-06-02T03:53:26","slug":"adresa-expeditorului-respinsa-nu-este-logat","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/","title":{"rendered":"Adresa expeditorului respins\u0103: nu este conectat"},"content":{"rendered":"<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\">This error appears when an email client tries to send a message without properly authenticating to the outgoing mail server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In most cases, it means that the application (such as Outlook, Thunderbird, or Apple Mail) is not correctly logged in to the SMTP server.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 ez-toc-wrap-left 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\"><\/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:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#Common_cause\" >Common cause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#How_to_fix_the_issue\" >How to fix the issue<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#1_Check_mailbox_credentials\" >1. Check mailbox credentials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#2_Re-enter_login_details\" >2. Re-enter login details<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#3_Verify_SMTP_settings\" >3. Verify SMTP settings<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#Practical_implications\" >Practical implications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/sender-address-rejected-not-logged-in\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_cause\"><\/span>Common cause<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<\/div>\n\n<div id=\"mybox-561948044\" class=\"mybox-content mybox-entity-placement\"><div class=\"early-access-banner-inpost\">\r\n  <div class=\"banner-left-inpost\">\r\n    <div class=\"icon-box-inpost\">\r\n      <img decoding=\"async\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2026\/02\/square-info-icon.svg\" alt=\"Info\">\r\n    <\/div>\r\n    <div class=\"text-box-inpost\">\r\n      <span class=\"label-inpost\"><span class=\"translation-block translation-block-banner-text\">Acces timpuriu<\/span><\/span>\r\n      <h4><span class=\"translation-block translation-block-banner-text\">Mai ave\u021bi nevoie de ajutor?<\/span><\/h4>\r\n      <p><span class=\"translation-block translation-block-banner-text\">Contacta\u021bi echipa noastr\u0103 de servicii pentru clien\u021bi.<\/span><\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"banner-right-inpost\">\r\n    <a href=\"https:\/\/panel.mybox.com\/helpdesk2\/v\/list\/\" class=\"banner-button-inpost\"><span class=\"translation-block translation-block-banner-text\">Trimite mesaj<\/span><\/a>\r\n  <\/div>\r\n<\/div><\/div>\n\n<div class=\"translation-block translation-block-merged\"><p class=\"wp-block-paragraph\">The most frequent reason is incorrect or missing authentication details in the email client configuration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>missing username<\/li>\n\n\n\n<li>incorrect password<\/li>\n\n\n\n<li>SMTP authentication not enabled<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_fix_the_issue\"><\/span>How to fix the issue<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Check_mailbox_credentials\"><\/span>1. Check mailbox credentials<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Go to your email client settings and verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>full email address is used as the username<\/li>\n\n\n\n<li>correct mailbox password is entered<\/li>\n\n\n\n<li>SMTP authentication is enabled<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Make sure you are using the password for the email mailbox itself, not the mybox account password. These are different credentials. If you forgot your password, you can find a guide <a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/lista-de-actiuni-posibile-pentru-o-casuta-postala\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/list-of-possible-actions-for-a-mailbox\/\">HERE<\/a> that includes instructions on how to change the password for an e-mail account.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Re-enter_login_details\"><\/span>2. Re-enter login details<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Remove the saved password from your email client and re-enter it manually.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then save the configuration and restart the application if needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Verify_SMTP_settings\"><\/span>3. Verify SMTP settings<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ensure that your outgoing mail configuration is correct:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SMTP server: correct mail server address for mybox<\/li>\n\n\n\n<li>Port: standard secure port (usually 465 or 587 depending on configuration)<\/li>\n\n\n\n<li>Encryption: SSL\/TLS enabled if required<\/li>\n\n\n\n<li>Authentication: required (must be enabled)<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-onethird-callout-box onethird-callout-wrap\"><div class=\"onethird-callout onethird-callout--hint\" style=\"--ot-bg:#EAFFF7;--ot-border:#C8E8D8;--ot-text:#6F7C88;--ot-title:#384048;--ot-body:#6F7C88;--ot-icon:#384048;border-radius:6px;padding:16px\"><div class=\"onethird-callout__head\"><span class=\"onethird-callout__icon\"><svg viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" aria-hidden=\"true\" focusable=\"false\"><circle fill=\"none\" stroke=\"#384048\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" cx=\"12\" cy=\"12\" r=\"9\"><\/circle><path fill=\"none\" stroke=\"#384048\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M12 10v6\"><\/path><path fill=\"none\" stroke=\"#384048\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M12 7h.01\"><\/path><\/svg><\/span><div class=\"onethird-callout__title\">Note<\/div><\/div><div class=\"onethird-callout__body\">If SMTP authentication is disabled or incorrect, the server will reject outgoing messages with this error.<\/div><\/div><div class=\"onethird-callout__separator\" style=\"height:18px\" aria-hidden=\"true\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_implications\"><\/span>Practical implications<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incoming mail may still work even if sending fails<\/li>\n\n\n\n<li>The issue is always related to authentication, not message content<\/li>\n\n\n\n<li>Reconfiguring the account usually resolves the problem<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The \u201cSender address rejected: not logged in\u201d error occurs when the email client is not properly authenticated on the SMTP server. Fixing it requires verifying the mailbox credentials, ensuring SMTP authentication is enabled, and re-entering the correct email password.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[45],"manual_kb_tag":[797,2095,2173,5577,5578,5579,5580,5581,5582,5583],"class_list":["post-9360","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-errors-sending-messages","manual_kb_tag-email-authentication","manual_kb_tag-mailbox-password","manual_kb_tag-outgoing-mail-server","manual_kb_tag-sender-address-rejected-not-logged-in","manual_kb_tag-mail-client-configuration","manual_kb_tag-outgoing-mail-settings","manual_kb_tag-mailbox-credentials","manual_kb_tag-missing-username","manual_kb_tag-incorrect-password","manual_kb_tag-reenter-login-details"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/9360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/9360\/revisions"}],"predecessor-version":[{"id":9377,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/9360\/revisions\/9377"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/media?parent=9360"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manualknowledgebasecat?post=9360"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb_tag?post=9360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}