How to Block email IP address on Interchange server

How to Block email IP address.


1. On email client (Outlook, eMclient, Thunderbird) or on Web Mail – View Header- IP


2. Copy header to link below to find originating from IP




3. Check IP location in link below


http://www.ip2location.com/ copy IP found in View Header in Search box and view info


4. Find IP range in link below




5. On Interchange – Config- List – Block – from email address to add ip range on block list