download & install spam assassin 3.1x go to /etc/sysconfig/spamd change the line: SPAMD_ARGS="-d -c -a -L" to: SPAMD_ARGS="-d -c -L" (spamassasin 3.10 implements white lists different) copy the following files from /usr/bin to cp /usr/bin/spamassassin /usr/sbin/ cp /usr/bin/spamd /usr/sbin/ cp /usr/bin/spamc /usr/sbin/ then do /etc/init.d/spamd stop /etc/init.d/spamd start ***IMPORTANT*** send some emails and CHECK /var/log/mail to ensure NO ERRORS in the scripts that basically give you the same functions as the current spamassasin. now read the documets to make it more specific to your case