Le 01/07/2024 à 20:41:21+0200, Jean Charles Delépine via Info a écrit Hi everyone, I end up with almost exact same problem. I try to sync from 3.0.18 (freebsd) to 3.6.x. (Debian). > > Jul 1 13:10:35 mailserv04 be/sync_client[1978]: MAILBOX received NO > > response: IMAP_PROTOCOL_ERROR Protocol error > > Jul 1 13:10:35 mailserv04 be/sync_client[1978]: do_folders(): update > > failed: DELETED.user.XXXX.Trash.Buch.663E43B3 'Bad protocol' > > Jul 1 13:10:35 mailserv04 be/sync_client[1978]: Error in > > sync_do_mailboxes(): bailing out! > > The same problem occurs between Debian versions 3.2.6 and 3.6, and now with > debian's 3.8.1 (not yet tested with the latest patches). > > First sync with a brand new backend does not trigger the error. > > But once the error is here, even after removing the mailbox from the > destination backend, the error still occurs, whith a segfault on the 3.2 > backend. > > It seems the error occurs when some big folders on big malboxes are moved > arround. > > I have not found any way to fix the mailbox, but once it is transferred to > another 3.2 backend server, the sync on the new 3.6 completes successfully > and the initial backend can finish o sync his other malboxes. I'm not totally sure to understand what you did... Did you start from 3.0 -> 3.2 then 3.2 -> 3.6 ? Because I didn't see how you transfert from xxx -> 3.2, in some email in 2020 I see you strugle to sync from 3.0 -> 3.2 ? Did you use a classic imapsync ? Regards. JAS -- Albert SHIH 🦫 🐸 Observatoire de Paris France Heure locale/Local time: ven. 06 sept. 2024 22:05:18 CEST ------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/T66d706d238d631f2-M59d6b7db42fc37b05bbe3ce8 Delivery options: https://cyrus.topicbox.com/groups/info/subscription