If desired the default scores for rules in spamassassin (located in /usr/share/spamassassin/50_scores.cf) can be changed by setting the scores either in /etc/mail/spamassassin/local.cf or another .cf file in the directory. For example, my_scores.cf could define:
# added an extra half point to the surbl checks
score URIBL_AB_SURBL 2.113
score URIBL_JP_SURBL 3.357
score URIBL_OB_SURBL 2.632
score URIBL_PH_SURBL 2.535
score URIBL_SBL 2.968
score URIBL_SC_SURBL 3.023
score URIBL_WS_SURBL 2.600# added an extra point to all the razor checks
score RAZOR2_CHECK 1.5
score RAZOR2_CF_RANGE_51_100 1.5
score RAZOR2_CF_RANGE_E4_51_100 2.5
score RAZOR2_CF_RANGE_E8_51_100 2.5
