There _is_ a nasty bug lurking here. Just did a system upgrade from Squeeze (Evolution 2.30.3-5) to testing (3.4.4-1). The result is the same as described by the original reporter and by a French user ("everything worked fine except that all locally stored mail in Evolution has gone" [1]). Specifically:
* Local folders "Inbox", "Sent" are empty and without formerly existing subfolders; * There is a local folder "#evolution" with one subfolder "sbd", no messages (smells of a bad migration); * There was no visible migration assistent, however, if one starts evolution from command-line, one sees some migration-related output. * I restored my former .evolution directory from backups and started to play around: the command-line output from the migration was not helpful: lots of copying files, some errors, but nowhere does it look like a conversion mbox -> maildir was even attempted. (I can mail log files to anyone interested.) * After the first run of the new Evolution, ~/.evolution is quite empty but still existant with some files which couldn't be moved (addressbook stuff, XML files ) and ~/.local/share/evolution has all data, in a rather messy file tree though. All mboxes are still there, but Evolution does not show them. "mutt -Rf" sees everything. * Subsequent runs start new migration attempts (certainly due to ~/.evolution present) but don't yield anything new. * Deleting index (and other?) data (*ev-summary*, *.ibex*, folders.db, *.cmeta), either before or after migration, did not help. * My "News and Feeds" have also somehow disappeared, even though the RSS plugin itself is there. I guess I'll have to reanimate my old data with a Squeeze Evolution on another system and try backup/restore, or to import mboxes individually. All the best, Viktor. [1] http://www.debian-fr.org/perte-mails-dans-evolution-lors-du-passage-squeeze-wheezy-t41598.html
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