Not sure what "remote" you are talking about. You can remove the file, and dovecot will notice it's absence and update it's indexes if this is maildir++ format.
If this is sdbox, you need to run `doveadm force-resync -u user FolderName`. Aki > On 16/03/2022 12:08 Joachim Lindenberg <dove...@lindenberg.one> wrote: > > > Hi Aki, > sure I can delete (or rename) the file(s) in the mail directory. Will sync > then restore it from remote or should I do this manually? Should I stop > dovecot during the process?` > I am not very familiar with dovecot yet, as most of the complexity is hidden > by mailcow. > Thanks, Joachim > > -----Ursprüngliche Nachricht----- > Von: Aki Tuomi <aki.tu...@open-xchange.com> > Gesendet: Wednesday, 16 March 2022 08:38 > An: Joachim Lindenberg <dove...@lindenberg.one>; dovecot@dovecot.org > Betreff: Re: AW: invalid lz4 chunk size?? > > Hi, > > looks a lot like your mail file is corrupted. Not much you can do about it > other than maybe delete the file? You can try recover it with `doveadm fetch > -u someone text uid 1553 mailbox Sent` and then using `doveadm save -u > someone -m Sent` to store it back. > > Aki > > > On 16/03/2022 09:35 Joachim Lindenberg <dove...@lindenberg.one> wrote: > > > > > > Nobody that can help? > > Thanks, > > Joachim > > > > ---------- > > > > I am still experiencing the issue. Any suggestion? > > As I do have replication between two nodes and only one is showing the > > issue - can I rename the mailbox easily on one side and rely on replication > > to get the copy replaced? If that makes sense, which commands do you > > recommend? > > Thanks, > > Joachim > > > > -----Ursprüngliche Nachricht----- > > Von: Joachim Lindenberg <dove...@lindenberg.one> > > Gesendet: Thursday, 3 March 2022 12:06 > > An: 'Aki Tuomi' <aki.tu...@open-xchange.com>; dovecot@dovecot.org > > Betreff: AW: invalid lz4 chunk size?? > > > > dovecot --version reports 2.3.17.1 (476cd46418) Joachim > > > > -----Ursprüngliche Nachricht----- > > Von: Aki Tuomi <aki.tu...@open-xchange.com> > > Gesendet: Thursday, 3 March 2022 11:56 > > An: Joachim Lindenberg <dove...@lindenberg.one>; dovecot@dovecot.org > > Betreff: Re: invalid lz4 chunk size?? > > > > > > > On 03/03/2022 12:24 Joachim Lindenberg <dove...@lindenberg.one> wrote: > > > > > > > > > Hello, > > > when accessing one mailbox via ActiveSync / SoGo / Dovecot I get the > > > following error repeatedly in dovecot log: > > > imap(somemail...@example.org)<1579><***>: Error: Mailbox Sent: > > > UID=1553: read(compress()) failed: read() failed: lz4.read(): invalid lz4 > > > chunk size: 1601505441 at 16842752 (read reason=) I can still access the > > > mailbox via IMAP though. > > > What can I do to resolve the issue? > > > Thanks, > > > Joachim > > > > Which version of Dovecot? > > > > Aki