--On 18. März 2019 um 11:21:12 +0000 Karl Pielorz <kpielorz_...@tdx.co.uk> wrote:
We're running Cyrus IMAP 2.5.12 under FreeBSD. While 'spring cleaning' one of our IMAP servers - aside from having to reconstruct a mailbox, I also found in 'mailboxes.db' (seen via 'ctl_mboxlist -d') we have some entries that have no corresponding directories on the disk, e.g. user.kpielorz.Archive.1-OldLogs 16 (null) This doesn't appear to be causing an issue - but I can't see a way to remove them. e.g. If I use 'cyradm' to "cm" that mailbox, and then log in with an IMAP client - and delete it, the client correctly deletes it - and it goes from the shown hierarchy. If I then expire the deleted folder with 'cyr_expire -D0 -p DELETED.user.kpielorz' - I can see it's "really been" deleted in syslog [and from the 'DELETED' IMAP folder] - but the entry in mailboxes.db persists. Is there any way of removing these? - Are they OK to leave behind? I don't really want to have to dump / re-load mailboxes.db - there's entries in that "16 (null)" state from a long time ago - they seem to be getting 'left behind' when folders are deleted / expired? Some seem to be very, very old (so it doesn't appear they'll timeout and disappear or anything). Anyone seem similar, or know what can be done with them?
I believe those are "tombstone entries" to mark folders that previously existed and are are safe to keep around.
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