{"id":9331,"date":"2026-06-02T04:08:45","date_gmt":"2026-06-02T02:08:45","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=9331"},"modified":"2026-06-02T04:08:47","modified_gmt":"2026-06-02T02:08:47","slug":"tipuri-de-filtre-antispam","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/ro\/knowledgebase\/types-of-spam-filters\/","title":{"rendered":"Tipuri de filtre antispam"},"content":{"rendered":"<div class=\"translation-block translation-block-merged\">\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\/types-of-spam-filters\/#Context\" >Context<\/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\/types-of-spam-filters\/#Cleanbox\" >Cleanbox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/types-of-spam-filters\/#Blacklists_Whitelists\" >Blacklists \/ Whitelists<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/types-of-spam-filters\/#SPF_MXFILTER\" >SPF \/ MXFILTER<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/types-of-spam-filters\/#RBL_Lists\" >RBL Lists<\/a><\/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\/types-of-spam-filters\/#Greylist\" >Greylist<\/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\/types-of-spam-filters\/#DKIM\" >DKIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/types-of-spam-filters\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Context\"><\/span>Context<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Email spam filtering systems are used to protect mailboxes from unwanted, malicious, or low-quality messages. In mybox, multiple filtering mechanisms can work together to analyze incoming email based on reputation, authentication, and behavior patterns.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below is an overview of the main types of spam filters used in email protection systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cleanbox\"><\/span>Cleanbox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<\/div>\n\n<div id=\"mybox-3719046426\" 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\"><a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/ce-este-cleanbox\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/what-is-cleanbox\/\">Cleanbox<\/a> is a content-based filtering system that analyzes the content of incoming emails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It evaluates:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>message structure<\/li>\n\n\n\n<li>suspicious patterns<\/li>\n\n\n\n<li>spam-like content<\/li>\n\n\n\n<li>attachments and links<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Based on this analysis, emails are classified as safe or potentially unwanted.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Blacklists_Whitelists\"><\/span>Blacklists \/ Whitelists<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Blacklists and whitelists control email access based on sender reputation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blacklist: blocks specific senders or domains<\/li>\n\n\n\n<li>Whitelist: allows trusted senders without filtering<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These lists help control who can or cannot deliver emails to a mailbox.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SPF_MXFILTER\"><\/span>SPF \/ MXFILTER<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SPF (Sender Policy Framework) verifies whether an email was sent from an authorized mail server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/tipuri-de-filtre-spam-spf-mxfilter\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/types-of-spam-filters-spf-mxfilter\/\">MXFILTER<\/a> helps validate incoming mail against configured domain policies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These mechanisms reduce email spoofing and unauthorized sending attempts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"RBL_Lists\"><\/span>RBL Lists<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/tipuri-de-filtre-spam-rbl\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/types-of-spam-filters-rbl\/\">RBL (Realtime Blackhole Lists)<\/a> are databases of known spam sources.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Incoming emails are checked against these lists to identify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>spam servers<\/li>\n\n\n\n<li>compromised systems<\/li>\n\n\n\n<li>malicious sending IPs<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If a match is found, the email may be blocked or marked as spam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Greylist\"><\/span>Greylist<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/tipuri-de-filtre-antispam-greylist\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/types-of-spam-filters-greylist\/\">Greylisting<\/a> temporarily rejects emails from unknown senders.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Legitimate mail servers will retry delivery after a delay, while many spam systems will not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This method helps filter out automated spam attempts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DKIM\"><\/span>DKIM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mybox.com\/help\/ro\/baza-de-cunostinte\/tipuri-de-filtre-spam-dkim\/\" data-type=\"link\" data-id=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/types-of-spam-filters-dkim\/\">DKIM (DomainKeys Identified Mail)<\/a> adds a digital signature to outgoing emails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It allows receiving servers to verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>that the email was not modified in transit<\/li>\n\n\n\n<li>that it was sent from an authorized domain<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DKIM improves email authenticity and deliverability.<\/p>\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\">Spam filtering systems use multiple layers of protection, including content analysis, sender verification, reputation checks, and authentication mechanisms. Together, they reduce spam and improve email security and reliability.<\/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":[21],"manual_kb_tag":[1407,5602,5603,5604,5605,5606,241,340,798,1282],"class_list":["post-9331","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-antispam-filters","manual_kb_tag-domainkeys-identified-mail","manual_kb_tag-email-spam-filtering","manual_kb_tag-content-based-filtering","manual_kb_tag-content-analysis","manual_kb_tag-blacklists","manual_kb_tag-whitelists","manual_kb_tag-cleanbox","manual_kb_tag-spam-filters","manual_kb_tag-dkim","manual_kb_tag-sender-policy-framework"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/9331","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\/9331\/revisions"}],"predecessor-version":[{"id":9332,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/9331\/revisions\/9332"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/media?parent=9331"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manualknowledgebasecat?post=9331"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb_tag?post=9331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}