POSTIN

/bin/sh

update-alternatives --install /usr/bin/dspam dspam /usr/bin/dspam-db4 14 \
`for prog in dspam_2sql dspam_admin dspam_clean dspam_corpus dspam_crc dspam_dump dspam_genaliases dspam_logrotate dspam_merge dspam_stats dspamc; do echo "--slave /usr/bin/${prog} ${prog} /usr/bin/${prog}-db4"; done`

POSTUN

/bin/sh

if [ "$1" = "0" ]; then
    update-alternatives --remove dspam /usr/bin/dspam-db4
fi