Csf
From WebHostingNeeds.com
SMTP_BLOCK = 1 SMTP_ALLOWLOCAL = 1
Add list of ip in http://hostonnet.com/firewall/allow.txt
Then Edit WHM > ConfigServer Security&Firewall > GLOBAL_ALLOW = enter the url
Still not working
grep remoteip /var/log/messages
Error shows TCP_OUT blocking *TCP_OUT Blocked* IN= OUT
Make sure TCP_IN and TCP_OUT added 2086
Then try
telnet server56.com 2086
IP BLOCK'S FOR DIFFERENT COUNTRY
