Ubuntu-Server 6.10 防火墙系统安装

　　/etc/init.d/shorewall start

　　You should be able now to surf the net.

　　DO NOT PROCEED UNTILL YOU SUCCEED IN SURFING THE NET.　SINCE THIS IS YOUR FRAMEWORK. IT HAS TO BE OK.

　　So now we need some packages. Do (all in one line!):

　　apt-get install postfix postfix-doc courier-authlib-mysql courier-pop courier-pop-ssl courier-imap courier-imap-ssl libsasl2-modules-sql sasl2-bin libpam-mysql build-essential dpkg-dev fakeroot debhelper libdb4.2-dev libgdbm-dev libldap2-dev libpcre3-dev libmysqlclient12-dev libssl-dev libsasl2-dev postgresql-dev po-debconf dpatch zoo unzip arj rdate fetchmail unzip zip ncftp libarchive-zip-perl zlib1g-dev libpopt-dev nmap lynx fileutils curl mail-audit-tools libwww-perl imagemagick squirrelmail squirrelmail-locales munin munin-node ntp samba spamassassin razor pyzor unzoo spamc libio-string-perl libnet-ident-perl libio-socket-ssl-perl libapache2-mod-php4 libapache2-mod-perl2 php4 php4-cli php4-common php4-curl php4-dev php4-domxml php4-gd php4-imap php4-ldap php4-mcal php4-mhash php4-mysql php4-odbc php4-pear php4-xslt curl libwww-perl php-pear mailscanner mailx libzzip-dev libgmp3c2 libgmp3-dev dhcp3-server pptpd

　　Accept all defaults.

　　Now do:

　　mysqladmin -u root password yourrootsqlpassword ##USE A REAL PASSWORD HERE!

　　Now configure Apache and Squirrelmail.

　　/usr/sbin/squirrelmail-configure

　　Set it to courier (option D) and make ik otherwise as you like it. Don't forget to enable some plugins and to set a default language if desired. Also I suggest to set this: