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:: DIR MESSAGES ::
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Syntax: D(IR) M(ESSAGES) ["<search string>"]

Without a parameter this command lists all mails in the bulletin boards
(very much!). With <search string> all mails which include this will be
listed. Upper-/lower-case letters are of no matter.

Example:   D M "FT470"   Lists all mails in all boards that include
                         "FT470" in the title