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I am migrating sites from a shared host which uses cPanel, moving files and databases are done. The only thing that I am stuck at is moving the mail boxes, cPanel uses Exim while I have installed Postfix + Dovecot on Ubuntu Server 12.04LTS

Is there a way to move them without losing any data?

Thanks :)

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closed as off-topic by masegaloeh, peterh, mdpc, Hyppy, Khaled Apr 30 '15 at 14:01

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up vote 1 down vote accepted

Moving mailboxes can be as easy as copying other files/folders. You need to confirm the following:

  1. Make sure that both email servers understand the same message format and file naming (maildir vs mbox). Also, use the same hierarchy in managing email directories.
  2. Check the files/folders ownership and permissions and fix them if needed.

You can start by copying the files/folders of one user and make sure you can access them using POP/IMAP. If done successfully, you can do the rest.

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Tried that and it worked, basically because dovecot is running on both side and the files were Maildir format. Thanks! :) – Khalid Jan 7 '13 at 20:29

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