{"id":3873,"date":"2019-01-31T09:14:10","date_gmt":"2019-01-31T09:14:10","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=3873"},"modified":"2019-02-03T20:44:28","modified_gmt":"2019-02-03T20:44:28","slug":"office-365-send-connector-validator-failed","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/office-365-send-connector-validator-failed","title":{"rendered":"Office 365 Send Connector Validator Failed"},"content":{"rendered":"<p>&nbsp;<\/p>\r\n<p id=\"tnzzuyL\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3900 size-medium alignleft img-responsive\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2019\/02\/img_5c5752800525c-300x224.png\" alt=\"\" width=\"300\" height=\"224\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2019\/02\/img_5c5752800525c-300x224.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2019\/02\/img_5c5752800525c-768x574.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2019\/02\/img_5c5752800525c.png 933w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\r\n<p>Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https:\/\/community.mimecast.com\/docs\/DOC-1623 ) . Mimecast confirmed they had enabled the Tenant domains to relay through Mimecast.<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>The send connector was Failing as the last Step, however I was receiving the email. After numerous calls with office 365 support they came back with the reply &#8220;We don&#8217;t support technical help with Third Party SMTP Servers&#8221;<\/p>\r\n<p>Checking the headers on the email that came through showed the validator wasn&#8217;t even relaying through Mimecast.<\/p>\r\n<p>Enabling the Send Connector and trying again resolved the issue , however it&#8217;s a flawed design , because after enabling it during the validation if any user tries to send out and it doesn&#8217;t work they will produce an NDR<\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https:\/\/community.mimecast.com\/docs\/DOC-1623 ) . Mimecast confirmed they had enabled [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1206,2243,1797,996],"class_list":["post-3873","post","type-post","status-publish","format-standard","hentry","category-research","tag-1206","tag-failed","tag-mimecast","tag-send-connector"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https:\/\/community.mimecast.com\/docs\/DOC-1623 ) . Mimecast confirmed they had enabled the Tenant domains to relay through Mimecast. The send connector was Failing as the last Step, however I was receiving the email. After numerous calls with office\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"paris\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/pariswells.com\/blog\/research\/office-365-send-connector-validator-failed\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Welcome to Pariswells.com |\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Office 365 Send Connector Validator Failed | Welcome to Pariswells.com\" \/>\n\t\t<meta property=\"og:description\" content=\"Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https:\/\/community.mimecast.com\/docs\/DOC-1623 ) . Mimecast confirmed they had enabled the Tenant domains to relay through Mimecast. 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After numerous calls with office\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#article\",\"name\":\"Office 365 Send Connector Validator Failed | Welcome to Pariswells.com\",\"headline\":\"Office 365 Send Connector Validator Failed\",\"author\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/img_5c5752800525c-300x224.png\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed\\\/#articleImage\"},\"datePublished\":\"2019-01-31T09:14:10+00:00\",\"dateModified\":\"2019-02-03T20:44:28+00:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#webpage\"},\"articleSection\":\"Research, 365, failed, mimecast, send connector\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/pariswells.com\\\/blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research#listItem\",\"name\":\"Research\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research#listItem\",\"position\":2,\"name\":\"Research\",\"item\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#listItem\",\"name\":\"Office 365 Send Connector Validator Failed\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#listItem\",\"position\":3,\"name\":\"Office 365 Send Connector Validator Failed\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research#listItem\",\"name\":\"Research\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#organization\",\"name\":\"Welcome to Pariswells.com\",\"url\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris#author\",\"url\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris\",\"name\":\"paris\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93b8ee3f592ac401167f870452bd82d43de80152cd3524e2853403658ada9984?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"paris\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed#webpage\",\"url\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/office-365-send-connector-validator-failed\",\"name\":\"Office 365 Send Connector Validator Failed | Welcome to Pariswells.com\",\"description\":\"Recently I tried to setup a 365 Send connector to relay it through another third party Mimecast ( https:\\\/\\\/community.mimecast.com\\\/docs\\\/DOC-1623 ) . 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