I continued with the problem NAT and Filtering packet

["Administrador de Red" <admin@gecyt.cu>]

Dear friends thanks very Mouch a some friends that try 
help me, well I want to say you that  a I continu with the 
problem the OE don't want to send and recived the email 
from mail server, I want to send the rules for iptables 
(Filtering and Nat) well i writing this rules and the file 
iptables configuration.

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 25 -j 
DNAT --to 172.16.1.4:25

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 110 
-j DNAT --to 172.16.1.4:110

iptables -t nat -A POSTROUTING -o eth0 -j SNAT 
169.158.130.253


here I write the configuration file iptables

# Generated by iptables-save v1.2.3 on Thu Dec  5 21:23:05 
2002
*mangle
:PREROUTING ACCEPT [1875:210252]
:OUTPUT ACCEPT [691:73775]
COMMIT
# Completed on Thu Dec  5 21:23:05 2002
# Generated by iptables-save v1.2.3 on Thu Dec  5 21:23:05 
2002
*nat
:PREROUTING ACCEPT [585:66263]
:POSTROUTING ACCEPT [26:1748]
:OUTPUT ACCEPT [152:21673]
[0:0] -A PREROUTING -i eth0 -p tcp -m tcp --dport 25 -j 
DNAT --to-destination 169.158.130.251:25
[9:432] -A PREROUTING -i eth0 -p tcp -m tcp --dport 110 -j 
DNAT --to-destination 169.158.130.251:110
[0:0] -A PREROUTING -p tcp -m tcp --dport 8100 -j DNAT 
--to-destination 169.158.130.251:8100
[4:192] -A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j 
REDIRECT --to-ports 3128
[0:0] -A POSTROUTING -o eth0 -j SNAT --to-source 
169.158.130.253
COMMIT
# Completed on Thu Dec  5 21:23:05 2002
# Generated by iptables-save v1.2.3 on Thu Dec  5 21:23:05 
2002
*filter
:INPUT ACCEPT [1779:205080]
:FORWARD ACCEPT [92:4880]
:OUTPUT ACCEPT [679:72695]
COMMIT
# Completed on Thu Dec  5 21:23:05 2002


I need some help  fast. please.

sincerely Thomas

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