sendmail에서 mqueue의 처리상황 확인하는 명령어

root@51s:/var/spool/mqueue# sendmail -bp
/var/spool/mqueue/q19 is empty
/var/spool/mqueue/q16 is empty
/var/spool/mqueue/q12 is empty
/var/spool/mqueue/q5 is empty
/var/spool/mqueue/q28 is empty
/var/spool/mqueue/q6 is empty
/var/spool/mqueue/q9 is empty
/var/spool/mqueue/q13 is empty
/var/spool/mqueue/q10 is empty
/var/spool/mqueue/q8 is empty
/var/spool/mqueue/q11 is empty
/var/spool/mqueue/q27 is empty
/var/spool/mqueue/q23 is empty
/var/spool/mqueue/q2 is empty
/var/spool/mqueue/q29 is empty
/var/spool/mqueue/q17 is empty
/var/spool/mqueue/q1 is empty
/var/spool/mqueue/q21 is empty
/var/spool/mqueue/q30 is empty
/var/spool/mqueue/q20 is empty
/var/spool/mqueue/q26 is empty
/var/spool/mqueue/q7 is empty
/var/spool/mqueue/q25 is empty
/var/spool/mqueue/q24 is empty
/var/spool/mqueue/q15 is empty
/var/spool/mqueue/q22 is empty
/var/spool/mqueue/q18 is empty
/var/spool/mqueue/q4 is empty
/var/spool/mqueue/q3 is empty
/var/spool/mqueue/q14 is empty
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