|path[, factory=None[, create=True]])|
None, MMDFMessage is used as the default message representation. If create is
True, the mailbox is created if it does not exist.
MMDF is a single-file mailbox format invented for the Multichannel Memorandum Distribution Facility, a mail transfer agent. Each message is in the same form as an mbox message but is bracketed before and after by lines containing four Control-A ("\001") characters. As with the mbox format, the beginning of each message is indicated by a line whose first five characters are "From ", but additional occurrences of "From " are not transformed to ">From " when storing messages because the extra message separator lines prevent mistaking such occurrences for the starts of subsequent messages.
Some Mailbox methods implemented by MMDF deserve special remarks:
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