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Loading data into the DArcMail database

The "Load DArcMail Data" screen asks for the following information:

The load process produces one output file, dm_load.log.txt, in the account directory. The contents of this file are also displayed in a pop-up window when the load process has completed.

Duplicate messages

It is possible for the set of Mbox files for an account to contain multiple copies of a message. The "Message-ID" message header in an Mbox determines the unique identity of a message; this value appears as the "Global Id" field in a DArcMail Info page. Typically, duplication arises when the originating mail system allows a user to copy (rather than move) a message across mail folders. DArcMail does not preserve redundant copies of a message; DArcMail retains only the first copy of a message that is loaded.

Suppose Inbox.mbox and Budget.mbox both have copies of the same message. If you load the Inbox folder first, then the message will appear only in the Inbox folder. On the other hand, if the loading process loads the Budget folder first, then the message will appear only in the Budget folder.

Elimination of duplicate messages applies only within a single account; if multiple accounts each have a copy of the same message, the load process preserves one copy in each account.

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