Fix DMARC authentication-result string
Fix DMARC authentication-result string

priyadi/qpsmtpd,msimerson/qpsmtpd,priyadi/qpsmtpd,smtpd/qpsmtpd,priyadi/qpsmtpd,msimerson/qpsmtpd,smtpd/qpsmtpd,salvis/qpsmtpd,salvis/qpsmtpd