rcpt_ok: shorten test messages
rcpt_ok: shorten test messages

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