postfix doesn't work after iptables set up
You're missing a rule to accept traffic based on existing traffic (the rule that makes iptables stateful). This should be your very first rule:
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
postfix doesn't work after iptables set up
You're missing a rule to accept traffic based on existing traffic (the rule that makes iptables stateful). This should be your very first rule:
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT