naughty: support reject_type set by original plugin
naughty: support reject_type set by original plugin

that marked the connection as naughty

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