iptables -A INPUT -i tun+ -j ACCEPT
iptables -A FORWARD -i tun+ -o eth0 -j ACCEPT
iptables -A FORWARD -i eth0 -o tun+ -j ACCEPT
push «route 0.0.0.0 0.0.0.0»
push «redirect-gateway def1 bypass-dhcp»
push «dhcp-option DNS 208.67.220.220»
push «dhcp-option DNS 208.67.222.222»
push «dhcp-option DNS 8.8.8.8»
push «dhcp-option DNS 8.8.4.4»
push "route ip_smtp_relay 255.255.255.0"