--------------3993D8932BB5A83BACBB8B3E Content-Type: text/plain; charset=big5 Content-Transfer-Encoding: 7bit Dear All, There is Firewall + WebMail + Mail Server in a computer machine ( Linux Server ) : Firewall is using iptables, protocol of WebMail ( IMP 3.2.3 , http://horde.org/imp ) is using imap/notls and port is using 143, and the Mail Server is using imap ( come with Fedora Core 1 Linux ). iptables ruls : iptables -P INPUT DROP iptables -A INPUT -i eth0 -p tcp --dport 143 -j ACCEPT iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT But I have the following the problem : http://marc.free.net.ph/message/20040318.053223.3f53fbd8.html So, who can help me to fix this kind of problem ? Many thank for your help too much ! Edward. --------------3993D8932BB5A83BACBB8B3E Content-Type: text/html; charset=big5 Content-Transfer-Encoding: 7bit <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> Dear All, <p>There is Firewall + WebMail + Mail Server in a computer machine ( Linux Server ) : <p>Firewall is using iptables, protocol of WebMail ( IMP 3.2.3 , <A HREF="http://horde.org/imp">http://horde.org/imp</A> ) is using imap/notls and port is using 143, and the Mail Server is using imap ( come with Fedora Core 1 Linux ). <p>iptables ruls : <p>iptables -P INPUT DROP <br>iptables -A INPUT -i eth0 -p tcp --dport 143 -j ACCEPT <br>iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT <p>But I have the following the problem : <br><a href="http://marc.free.net.ph/message/20040318.053223.3f53fbd8.html">http://marc.free.net.ph/message/20040318.053223.3f53fbd8.html</a><a href="http://marc.free.net.ph/message/20040318.053223.3f53fbd8.html"></a> <p>So, who can help me to fix this kind of problem ? <p>Many thank for your help too much ! <p>Edward.</html> --------------3993D8932BB5A83BACBB8B3E--