lmtp socket error

[Bron Gondwana]

On Thu, Jul 2, 2015, at 12:25 PM, Shaw, Brian wrote:
> Jul  1 21:52:15 mail-server postfix/lmtp[12036]: EB0C1E5B11: 
> to=<user at example.com>, relay=mail-server[/var/lib/imap/socket/lmtp], 
> delay=32177, delays=32169/6/2.6/0.02, dsn=4.3.0, status=deferred (host 
> mail-server[/var/lib/imap/socket/lmtp] said: 421 4.3.0 lmtpd: Internal 
> error: assertion failed: lib/cyrusdb_twoskip.c: 600: record->level <= 
> MAXLEVEL (in reply to end of DATA command))

Here's your problem!  That's a corrupted database file.  Almost certainly your mailboxes.db.

You're running Cyrus 2.5.x, obviously.

I haven't seen any twoskip errors in the wild for a long time, so I'd love to see a copy of your mailboxes.db if you don't mind.  I guess it could also be a .seen file or the annotations.db, the error doesn't give enough information to know :(

Thanks,

Bron.

-- 
  Bron Gondwana
  brong at fastmail.fm