{"id":3655,"date":"2018-09-20T00:26:41","date_gmt":"2018-09-20T00:26:41","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=3655"},"modified":"2019-10-30T20:33:35","modified_gmt":"2019-10-30T20:33:35","slug":"how-to-whitelist-mailchimp-from-mimecast-anti-spoofing-policy","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/how-to-whitelist-mailchimp-from-mimecast-anti-spoofing-policy","title":{"rendered":"How to Whitelist Mailchimp from Mimecast Anti Spoofing Policy"},"content":{"rendered":"

Many internal companies use Newsletter services such as Mailchimp to email out internal newsletters. The From Address of this is usually an internal email address which means it will get rejected by the anti spoofing policy<\/p>

Option 1<\/h3>

In Mimecast Administration Panel go to :\u00a0<\/p>

Administration<\/strong> -> Gateway<\/strong> -> Policies<\/strong> -> Anti Spoofing SPF based Bypass<\/strong><\/p>

  1. Add the following Policy, this will only whitelist IP’s in your SPF Record,\u00a0 so putting\u00a0servers.mcsv.net will not work , you will also have to put “ip4:205.201.128.0\/20 ip4:198.2.128.0\/18 ip4:148.105.0.0\/16” in your SPF record. If your SPF is over 255 characters<\/a> : try option 2<\/li>

  2. \"\"<\/p><\/li><\/ol>

     <\/p>

    Option 2<\/h2>

    Administration<\/strong> -> Gateway<\/strong> -> Policies<\/strong> -> Anti Spoofing<\/strong><\/p>

    Add the policy below ,\u00a0you can get a list of IP’s Mailchimp user here<\/a><\/p>

    Find the From Address its spoofing along with the IP<\/p>

    \"\"<\/p>

     <\/p>

    \"\"<\/p>","protected":false},"excerpt":{"rendered":"

    Many internal companies use Newsletter services such as Mailchimp to email out internal newsletters. The From Address of this is usually an internal email address which means […]<\/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":[1486,2672,2289,778,1797,1948],"class_list":["post-3655","post","type-post","status-publish","format-standard","hentry","category-research","tag-allow","tag-anti-spoofing","tag-ips","tag-mailchimp","tag-mimecast","tag-whitelist"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t