{"id":5066,"date":"2021-10-15T12:24:07","date_gmt":"2021-10-15T12:24:07","guid":{"rendered":"https:\/\/www.cldy.com\/support\/?post_type=docs&#038;p=5066"},"modified":"2021-10-15T18:19:04","modified_gmt":"2021-10-15T18:19:04","password":"","slug":"mailchannels-error-sender-blocked","status":"publish","type":"docs","link":"https:\/\/www.cldy.com\/support\/help\/mailchannels-error-sender-blocked\/","title":{"rendered":"MailChannels Error: Sender Blocked"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">You might be sending legitimate emails, but still get blocked from sending them. While you may already understand that \u201cMailChannels Error: Message Blocked\u201d means that your email address has been marked as \u201cspammy\u201d or \u201cmalicious,\u201d you might wonder what\u2019s the difference between \u201cMailChannels Error: Message Blocked\u201d and \u201cMailChannels Error: Sender Blocked.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What is the MailChannels \u201cSender Blocked\u201d Error?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The MailChannels \u201cSender Blocked\u201d error happens when your server IP address or DOMAIN has been flagged by a global spam blacklisting database as sending high-volume spam content.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The first thing to do is to check if your domain is on a spam blacklist: <a href=\"https:\/\/mxtoolbox.com\/blacklists.aspx\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/mxtoolbox.com\/blacklists.aspx<\/a><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>If it is not on the spam blacklist, get your \u201cShared IP Address\u201d on the right side of your cPanel (accessible via <a href=\"https:\/\/yourdomain.com\/cpanel\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/yourdomain.com\/cpanel<\/a>, use the \u201cpaper_lantern\u201d theme) and check via the same tool: <a href=\"https:\/\/mxtoolbox.com\/blacklists.aspx\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/mxtoolbox.com\/blacklists.aspx<\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you see that you\u2019ve been blocked by spam detection databases or not, we will coordinate with MailChannels and help unblock your email for you.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before you submit a report to our Support Team, you can do these steps to secure your account and make sure that it isn\u2019t being used for spam or other malicious purposes: \u201c<strong>How to Create Secure Passwords for Your cPanel &amp; Email Accounts<\/strong>\u201d and \u201c<strong>Keeping Secure Email Habits<\/strong>.\u201d&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Then please submit a report to <\/strong><a href=\"mailto:support@cldy.com\"><strong>support@cldy.com<\/strong><\/a><strong> with the following details:&nbsp;<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Status of your IP Address and Domain, if it was blacklisted<\/li><li>Screenshot or PDF of the result from MX Toolbox (Right-click + Print &gt; Destination &gt; Print to PDF)<\/li><li>Date when the message was sent<\/li><li>Time when the message was sent (in GMT +8, Singapore Standard Time\/SGT)<\/li><li>Your authenticated username or the problematic email address<\/li><li>Sender email address (the \u2018FROM\u2019 address)<\/li><li>Recipient email address (the \u2018TO\u2019 address)<\/li><li>Error message<\/li><li>Email subject<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We will then let you know when the error has been fixed, and you can then continue to enjoy using your CLDY-powered hosting account, domain, and email!&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You might be sending legitimate emails, but still get blocked from sending them. While you may already understand that \u201cMailChannels Error: Message Blocked\u201d means that your email address has been marked as \u201cspammy\u201d or \u201cmalicious,\u201d you might wonder what\u2019s the difference between \u201cMailChannels Error: Message Blocked\u201d and \u201cMailChannels Error: Sender Blocked.\u201d What is the MailChannels [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[32],"doc_tag":[],"class_list":["post-5066","docs","type-docs","status-publish","hentry","doc_category-email-hosting"],"year_month":"2026-06","word_count":335,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"cldy","author_nicename":"loriecldy","author_url":"https:\/\/www.cldy.com\/support\/author\/loriecldy\/"},"doc_category_info":[{"term_name":"Email Hosting","term_url":"https:\/\/www.cldy.com\/support\/help-category\/email-hosting\/"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/docs\/5066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/comments?post=5066"}],"version-history":[{"count":3,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/docs\/5066\/revisions"}],"predecessor-version":[{"id":5072,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/docs\/5066\/revisions\/5072"}],"wp:attachment":[{"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/media?parent=5066"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/doc_category?post=5066"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.cldy.com\/support\/wp-json\/wp\/v2\/doc_tag?post=5066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}