{"id":32480,"date":"2014-11-28T08:26:58","date_gmt":"2014-11-28T08:26:58","guid":{"rendered":"https:\/\/wp.lvh.me\/blog\/2014\/11\/28\/you-are-not-receiving-emails-on-your-own-corporate-domain\/"},"modified":"2026-10-26T06:21:40","modified_gmt":"2026-10-26T06:21:40","slug":"you-are-not-receiving-emails-on-your-own-corporate-domain","status":"publish","type":"post","link":"https:\/\/mailrelay.com\/en\/blog\/2014\/11\/28\/you-are-not-receiving-emails-on-your-own-corporate-domain\/","title":{"rendered":"You are not receiving emails on your own corporate domain"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">This is a very common problem that many users report to us. It happens because many mail servers and anti-spam systems let you set up a rule so that any email arriving from the corporate domain is rejected <strong>if the sender&#8217;s IP is not that of the organization&#8217;s mail server or servers<\/strong>. It is similar to SPF, but with this setting the emails are blocked completely in every case.<\/p>\n\n<p class=\"wp-block-paragraph\">This is done because spammers often put an address from the recipient&#8217;s domain, or even the recipient&#8217;s own <a href=\"https:\/\/mailrelay.com\/en\/blog\/2021\/03\/16\/8-brilliant-email-marketing-examples-with-copy-templates\/\" target=\"_blank\" rel=\"noopener\">email address<\/a>, in the headers to trick them into opening the message by winning their trust. The problem is that tests and newsletters sent from <strong>Mailrelay<\/strong> to your own corporate domain will not arrive if this rule is enabled on your organization&#8217;s mail server.<\/p>\n\n<p class=\"wp-block-paragraph\">The solution is simple, although you will need to talk to your IT department or email administrator. Ask them to whitelist these IP ranges and, if possible, add a rule so that emails arriving with your sender address from any of these IPs are delivered and the blocking described above is not applied.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>93.159.208.0\/21<br\/>185.103.8.0\/22<br\/>5.56.22.0\/24<br\/>82.199.156.0\/24<br\/>91.194.237.0\/24<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">These are the ranges published by our SPF record (spf.ipzmarketing.com).<\/p>\n\n<p class=\"wp-block-paragraph\">Another solution would be to disable the rule, but then you risk spam messages that used to be stopped now being delivered. If you have any questions about this, don&#8217;t hesitate to contact our <a href=\"https:\/\/mailrelay.com\/en\/contact\/\" target=\"_blank\" rel=\"noopener\">Customer Support team<\/a>.<\/p>\n\n<p class=\"wp-block-paragraph\">This kind of problem is usually related to <a href=\"https:\/\/mailrelay.com\/en\/glossary\/deliverability-in-email-marketing\/\">deliverability in email marketing<\/a> in general, and to how mail servers themselves decide <a href=\"https:\/\/mailrelay.com\/en\/blog\/2023\/02\/21\/what-is-spam-how-to-prevent-emails-from-landing-in-the-spam-folder\/\">what spam is<\/a> and how to filter it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a very common problem that many users report to us. It happens because many mail servers and anti-spam systems let you set up a rule so that any email arriving from the corporate domain is rejected if the sender&#8217;s IP is not that of the organization&#8217;s mail server or servers. It is similar [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":7031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[882,562],"tags":[],"class_list":["post-32480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-deliverability-and-technical-aspects","category-email-marketing-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Emails Not Reaching Your Corporate Domain? [Solution]<\/title>\n<meta name=\"description\" content=\"How to fix emails to your corporate domain being rejected. Learn how to set up your anti-spam rules correctly for Mailrelay\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mailrelay.com\/en\/blog\/2014\/11\/28\/you-are-not-receiving-emails-on-your-own-corporate-domain\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Emails Not Reaching Your Corporate Domain? [Solution]\" \/>\n<meta property=\"og:description\" content=\"How to fix emails to your corporate domain being rejected. Learn how to set up your anti-spam rules correctly for Mailrelay\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mailrelay.com\/en\/blog\/2014\/11\/28\/you-are-not-receiving-emails-on-your-own-corporate-domain\/\" \/>\n<meta property=\"og:site_name\" content=\"Mailrelay\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Mailrelay\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-28T08:26:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-26T06:21:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mailrelay.com\/wp-content\/uploads\/2014\/10\/los-mails-no-llegan-a-nuestro-propio-dominio-corporativo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"No\u00e9 Soriano\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mailrelay\" \/>\n<meta name=\"twitter:site\" content=\"@mailrelay\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"No\u00e9 Soriano\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/\"},\"author\":{\"name\":\"No\u00e9 Soriano\",\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/#\\\/schema\\\/person\\\/015806c54f5ded021ad304cd2e1b8c1d\"},\"headline\":\"You are not receiving emails on your own corporate domain\",\"datePublished\":\"2014-11-28T08:26:58+00:00\",\"dateModified\":\"2026-10-26T06:21:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/\"},\"wordCount\":278,\"publisher\":{\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mailrelay.com\\\/wp-content\\\/uploads\\\/2014\\\/10\\\/los-mails-no-llegan-a-nuestro-propio-dominio-corporativo.jpg\",\"articleSection\":[\"Deliverability and Technical Aspects\",\"email marketing\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/\",\"url\":\"https:\\\/\\\/mailrelay.com\\\/en\\\/blog\\\/2014\\\/11\\\/28\\\/you-are-not-receiving-emails-on-your-own-corporate-domain\\\/\",\"name\":\"Emails Not Reaching Your Corporate Domain? 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It happens because many mail servers and anti-spam systems let you set up a rule so that any email arriving from the corporate domain is rejected if the sender&#8217;s IP is not that of the organization&#8217;s mail server or servers. 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