gents, yesterday i make some changes on local network, changed DNS for local computers, added forward zone on DNS server (created by AD)
then after some time mailcow stopped to send emails
i checked containiners and identified that unbound container wont start and showing error



can u help to troubleshoot coz i am new to dockers and mailcow
what logs, settings or conf file i need to look?
i have fortigate firewall, but i didn;t change any settings on policies, may be i need to look at mailcow firewall?


iptables screenshot


iptables screenshot


iptables screenshot


iptables screenshot


iptables screenshot




screenshot of iptables


screenshot of iptables
screenshot of iptables


omg sorry i am unable to delete duplicated screenshots (