{"id":48,"date":"2012-06-24T08:59:29","date_gmt":"2012-06-24T08:59:29","guid":{"rendered":"http:\/\/www.buildingcubes.com\/?p=48"},"modified":"2012-06-24T08:59:29","modified_gmt":"2012-06-24T08:59:29","slug":"checking-if-a-mail-server-is-blacklisted-anywhere","status":"publish","type":"post","link":"https:\/\/www.voodoo.business\/blog\/2012\/06\/24\/checking-if-a-mail-server-is-blacklisted-anywhere\/","title":{"rendered":"Checking if a mail server is blacklisted anywhere"},"content":{"rendered":"<p>When i get delivery problems like the message i got today from a microsoft exchange server<\/p>\n<pre>\nI'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.\n\nFor further assistance, please send mail to postmaster.\n\nIf you do so, please include this problem report. You can delete your own text from the attached returned message.\n\nhost mail1.example.com[xxx.xxx.xxx.xxx] said: 550 5.7.1 Message rejected due to content restrictions (in reply to end of DATA command)<\/pre>\n<p>I usually run the test on the following locations<\/p>\n<p>1- the road runner website allows you to check cloudmark&#8230; run a scan with<br \/>\nhttp:\/\/postmaster.rr.com\/amIBlockedByRR<\/p>\n<p>tells me about<br \/>\nReturn Path Reputation Network Blacklist :<br \/>\nSpamhaus (ZEN) :<br \/>\nRoad Runner Blocklist :<br \/>\nFBL Enrollment :<br \/>\nRoad Runner Internal Name-Based Block :<br \/>\nCloudmark Sender Intelligence :<br \/>\nReturn Path Sender Score Reputation Score :<br \/>\nhistorical Road Runner Internal IP Address-Based block records<\/p>\n<p>Now, MXtoolbox<\/p>\n<p>http:\/\/www.mxtoolbox.com\/blacklists.aspx<\/p>\n<p>for<\/p>\n<p>AHBL<br \/>\nBACKSCATTERER<br \/>\nBARRACUDA<br \/>\nBURNT-TECH<br \/>\nCASA-CBL<br \/>\nCASA-CBLPLUS<br \/>\nCBL<br \/>\nIMP-SPAM<br \/>\nINPS_DE<br \/>\nivmSIP<br \/>\nivmSIP24<br \/>\nLASHBACK<br \/>\nMAILSPIKE-BL<br \/>\nMAILSPIKE-Z<br \/>\nNIXSPAM<br \/>\nNOMOREFUNN<br \/>\nPSBL<br \/>\nRATS-Dyna<br \/>\nRATS-NoPtr<br \/>\nRATS-Spam<br \/>\nREDHAWK<br \/>\nSEM-BACKSCATTER<br \/>\nSEM-BLACK<br \/>\nSORBS-DUHL<br \/>\nSORBS-SPAM<br \/>\nSORBS-WEB<br \/>\nSPAMCANNIBAL<br \/>\nSPAMCOP<br \/>\nSWINOG<br \/>\nTRUNCATE<br \/>\nUCEPROTECTL1<br \/>\nUCEPROTECTL2<br \/>\nUCEPROTECTL3<br \/>\nWPBL<\/p>\n<p>If i can not see anything in the blacklists \/ blocklists above, i will generally contact the server administrator<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When i get delivery problems like the message i got today from a microsoft exchange server I&#8217;m sorry to have to inform you that your message could not be delivered to one or more recipients. It&#8217;s attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-48","post","type-post","status-publish","format-standard","hentry","category-email"],"_links":{"self":[{"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/posts\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":0,"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.voodoo.business\/blog\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}