kamiran.asia 5 Posted August 25, 2020 Share Posted August 25, 2020 Hi Dears. One of our customers have a problem with Mail Security For Exchange. EMS block their own Server IP address in Germany with this error : Found on Cloud Blacklist. The IP is : 136.243.124.245 We check the ip in over 100 blacklist sources but nothing found. What can they do ? Link to comment Share on other sites More sharing options...
Administrators Marcos 5,069 Posted August 25, 2020 Administrators Share Posted August 25, 2020 It is necessary to contact your local support when you come across a blocked sender's IP address that you think should not be blocked. Link to comment Share on other sites More sharing options...
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