In the following example, the DIRECTORY command is used to
      list the messages in the local, l, channel. Then, the DELETE
      command is used to delete messages 1, 3, 20, 21, and 22. A
      range specification, 20-22, is used to specify message numbers
      20, 21, and 22.

  qm.maint> DIRECTORY L
  Mon, 23 Sep 2012 13:43:39 PDT
  Data gathered from the queue directory tree

  Channel: l                        Size Queued since
  --------------------------------------------------------------
      1 ZZ01HNP17LSUWY9D4DNR.00        4 23-SEP-2012 01:10:23
      2 ZZ01HNP1RP3B6G9D4DNR.00       10 23-SEP-2012 01:10:24
      3 ZZ01HNP42MAMAI9D4DNR.00        3 23-SEP-2012 01:10:24
      4 ZZ01HNP4MEWC8G9D4DNR.00        8 23-SEP-2012 06:18:57
        ...
     24 ZZ01HNP90X63ZG9D4DNR.00        6 23-SEP-2012 13:21:14
  --------------------------------------------------------------
  Total size:                        108

  24 total messages queued
  qm.maint> DELETE 1,3,20-22
  %QM-I-DELETED, deleted the message file PMDF_QUEUE:[L]ZZ01HNP17LSUWY9D4DNR.00
  %QM-I-DELETED, deleted the message file PMDF_QUEUE:[L]ZZ01HNP42MAMAI9D4DNR.00
  %QM-I-DELETED, deleted the message file PMDF_QUEUE:[L]ZZ01HNP76RTGHY9D4DNR.00
  %QM-I-DELETED, deleted the message file PMDF_QUEUE:[L]ZZ01HNP82HTXYB9D4DNR.00
  %QM-I-DELETED, deleted the message file PMDF_QUEUE:[L]ZZ01HNP83JPOCV9D4DNR.00
  qm.maint>