Do you see the difference ?!
New:
[root@online tcprules.d]# cat /etc/tcprules.d/tcp.smtp
127.:allow,RELAYCLIENT="",DKSIGN="/var/qmail/control/domainkeys/%/private"
:allow,BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="50",CHKUSER_WRONGRCPTLIMIT="10",DKSIGN="/var/qmail/control/domainkeys/%/private"
Old with working simscan:
[root@online tcprules.d]# cat /etc/tcprules.d/tcp.smtp.rpmsave
127.:allow,RELAYCLIENT="",DKSIGN="/var/qmail/control/domainkeys/%/private",RBLSMTPD="",NOP0FCHECK="1"
:allow,BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="50",CHKUSER_WRONGRCPTLIMIT="10",QMAILQUEUE="/var/qmail/bin/simscan",DKSIGN="/var/qmail/control/domainkeys/%/private",NOP0FCHECK="1"