I'm configuring iptables, and I run a webserver, FTP, and SMTP/IMAP. I got the web server and FTP working, and I can login and send an email. However, it doesn't look like the email gets sent to the remote host. any ideas? Code: # Generated by iptables-save v1.3.5 on Sun Apr 25 14:00:25 2010 *filter :INPUT DROP [1971:132253] :FORWARD DROP [0:0] :OUTPUT DROP [179:12338] -A INPUT -p tcp -m tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 143 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 993 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 25 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 26 -m state --state NEW,ESTABLISHED -j ACCEPT -A INPUT -p udp -m udp --sport 53 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 143 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 993 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 25 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 465 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p tcp -m tcp --sport 26 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -p udp -m udp --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT COMMIT # Completed on Sun Apr 25 14:00:25 2010 # Generated by iptables-save v1.3.5 on Sun Apr 25 14:00:25 2010 *mangle :PREROUTING ACCEPT [20857:2424246] :INPUT ACCEPT [20857:2424246] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [17245:13552334] :POSTROUTING ACCEPT [17066:13539996] COMMIT # Completed on Sun Apr 25 14:00:25 2010 # Generated by iptables-save v1.3.5 on Sun Apr 25 14:00:25 2010 *nat :PREROUTING ACCEPT [3167:181252] :POSTROUTING ACCEPT [165:11576] :OUTPUT ACCEPT [315:20368] COMMIT # Completed on Sun Apr 25 14:00:25 2010
