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I migrated my all domains to new server two months ago. I am facing this problem after migration. this is a plesk server with smartermail 11.7, My server Main IP 220.127.116.11 getting block in CBL. but i apply smartermail Outbound IPv4 is 18.104.22.168 there is nothing any issue with IP 22.214.171.124. it is not getting block.
I have enabled SMTP auth to all the domains. I block outbound port 25 in my windows firewall. but still the IP 126.96.36.199 it get block in CBL.
The CBL says it's a spambot. I have installed many antivirus and clean the server but no success.
Please Help me.