{"id":1004,"date":"2025-12-22T08:44:48","date_gmt":"2025-12-22T07:44:48","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=1004"},"modified":"2026-06-08T08:53:58","modified_gmt":"2026-06-08T06:53:58","slug":"ce-este-pop3","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/","title":{"rendered":"Ce este POP3?"},"content":{"rendered":"<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\">POP3 (Post Office Protocol version 3) is an email protocol used by email applications such as Outlook, Thunderbird, Apple Mail, and many others to download messages from a mail server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike the newer IMAP protocol, POP3 is designed primarily for downloading emails to a single device and storing them locally.<\/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\/what-is-pop3\/#How_Does_POP3_Work\" >How Does POP3 Work?<\/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\/what-is-pop3\/#Advantages_of_POP3\" >Advantages of POP3<\/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\/what-is-pop3\/#Local_Storage\" >Local Storage<\/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\/what-is-pop3\/#Reduced_Server_Storage_Usage\" >Reduced Server Storage Usage<\/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\/what-is-pop3\/#Simple_Configuration\" >Simple Configuration<\/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\/what-is-pop3\/#Disadvantages_of_POP3\" >Disadvantages of POP3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#No_Synchronization_Between_Devices\" >No Synchronization Between Devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Risk_of_Message_Loss\" >Risk of Message Loss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Limited_Folder_Support\" >Limited Folder Support<\/a><\/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:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#POP3_vs_IMAP\" >POP3 vs IMAP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Typical_POP3_Configuration\" >Typical POP3 Configuration<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Incoming_Mail_POP3\" >Incoming Mail (POP3)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Outgoing_Mail_SMTP\" >Outgoing Mail (SMTP)<\/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:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#When_Should_You_Use_POP3\" >When Should You Use POP3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#When_Should_You_Use_IMAP_Instead\" >When Should You Use IMAP Instead?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/what-is-pop3\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_POP3_Work\"><\/span>How Does POP3 Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<\/div>\n\n<div id=\"mybox-660214661\" 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\">When an email client connects to a mailbox using POP3, it downloads messages from the mail server to the device.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on the configuration, the email client may:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leave copies of messages on the server.<\/li>\n\n\n\n<li>Delete messages from the server after downloading them.<\/li>\n\n\n\n<li>Delete messages from the server after a specified number of days.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The original purpose of POP3 was to allow users to download email for offline access when internet connections were slower and less reliable than they are today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages_of_POP3\"><\/span>Advantages of POP3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Local_Storage\"><\/span>Local Storage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Messages are stored directly on your device, allowing access even without an internet connection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reduced_Server_Storage_Usage\"><\/span>Reduced Server Storage Usage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Since messages can be removed from the server after downloading, POP3 can help reduce mailbox storage consumption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Simple_Configuration\"><\/span>Simple Configuration<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">POP3 is widely supported and easy to configure in most email applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disadvantages_of_POP3\"><\/span>Disadvantages of POP3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"No_Synchronization_Between_Devices\"><\/span>No Synchronization Between Devices<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">POP3 does not synchronize mailbox status across multiple devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An email read on your computer will still appear unread on your phone.<\/li>\n\n\n\n<li>Folders created on one device will not appear on another.<\/li>\n\n\n\n<li>Deleted messages may remain visible elsewhere.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Risk_of_Message_Loss\"><\/span>Risk of Message Loss<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the email client is configured to remove messages from the server after downloading, emails may only exist on the device that downloaded them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If that device is lost, damaged, or reformatted, the messages may be lost unless backups are available.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limited_Folder_Support\"><\/span>Limited Folder Support<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike IMAP, POP3 does not support advanced server-side folder management and synchronization.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"POP3_vs_IMAP\"><\/span>POP3 vs IMAP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>POP3<\/th><th>IMAP<\/th><\/tr><\/thead><tbody><tr><td>Messages stored on server<\/td><td>Optional<\/td><td>Yes<\/td><\/tr><tr><td>Synchronization across devices<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Suitable for multiple devices<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Folder synchronization<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Offline access<\/td><td>Yes<\/td><td>Yes<\/td><\/tr><tr><td>Recommended for modern use<\/td><td>Limited<\/td><td>Yes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_POP3_Configuration\"><\/span>Typical POP3 Configuration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When configuring an email client, use the following settings:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Incoming_Mail_POP3\"><\/span>Incoming Mail (POP3)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>Server: pop3.mybox.com\nPort: 995\nEncryption: SSL\/TLS\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Outgoing_Mail_SMTP\"><\/span>Outgoing Mail (SMTP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>Server: smtp.mybox.com\nPort: 587\nEncryption: STARTTLS\/TLS\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Should_You_Use_POP3\"><\/span>When Should You Use POP3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">POP3 may be suitable if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You access email from only one device.<\/li>\n\n\n\n<li>You want messages stored locally.<\/li>\n\n\n\n<li>You need offline access to large amounts of email.<\/li>\n\n\n\n<li>You have specific legacy software requirements.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Should_You_Use_IMAP_Instead\"><\/span>When Should You Use IMAP Instead?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IMAP is generally recommended if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You use multiple devices.<\/li>\n\n\n\n<li>You access email through webmail and applications.<\/li>\n\n\n\n<li>You want folders and message status synchronized.<\/li>\n\n\n\n<li>You want messages safely stored on the mail server.<\/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\">POP3 is a traditional email protocol that downloads messages from a mail server to a local device. While it remains supported by most email applications, it lacks the synchronization features of IMAP and is generally best suited for users who access their email from a single device.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For most modern email setups, IMAP is the preferred option because it keeps messages, folders, and mailbox status synchronized across all devices.<\/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":[30,41],"manual_kb_tag":[286,562,184,207],"class_list":["post-1004","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-configuration-of-email-clients","manualknowledgebasecat-email","manual_kb_tag-mail-server","manual_kb_tag-email","manual_kb_tag-tablet","manual_kb_tag-phone"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/1004","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":2,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/1004\/revisions"}],"predecessor-version":[{"id":4705,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/1004\/revisions\/4705"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/media?parent=1004"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manualknowledgebasecat?post=1004"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb_tag?post=1004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}