aonaphost Hi, we are trying to connect our WHMCS ticket system to the mail server. We keep getting connection error, we've opened all ports and added the required ports via the panel as well. Please advise on what to do here.
aaPanel_Jose aonaphost You can manually close the linux firewall on the ssh terminal. You cannot do this on aapanel because it involves security issues. Disable firewall command Firewalld sudo systemctl stop firewalld sudo systemctl disable firewalld ufw sudo ufw disable