Joan Moreau wrote on 12/24/2010: > Thanks for the link, but the page is not really speaking about the > matter.
> I clarify my question: > How to convert a "sdbox" system (in > production) to "mdbox" without loosing any email ? you can use this command for example (without loosing emails): dsync -o mail_location=sdbox:/path_to_old_mailbox/sdbox mirror mdbox:/path_to_new_mailbox/mdbox You can stop Dovecot, convert your emails, change the Dovecot configuration to mdbox (instead of sdbox) and restart Dovecot. Maybe you could also use a script which runs after the user login. See http://wiki.dovecot.org/PostLoginScripting -- Daniel