dspam: be more conservative with karma awards
dspam: be more conservative with karma awards

previous settings were reasonable for a well trained dspam. After starting with a fresh dspam, the settings were not optimal for the amount of naive that a default dspam is.

smtpd/qpsmtpd,priyadi/qpsmtpd,salvis/qpsmtpd,sentinelleader/qpsmtpd-dev,priyadi/qpsmtpd,smtpd/qpsmtpd,sieutruc/qpsmtpd,salvis/qpsmtpd,sentinelleader/qpsmtpd-dev,msimerson/qpsmtpd,sieutruc/qpsmtpd,priyadi/qpsmtpd,sieutruc/qpsmtpd,msimerson/qpsmtpd