search for: kokxnmmjkebecitbhfws

...quot;/home/vmail/virtualmailboxes/${mailbox_username}_backup" "/home/vmail/virtualmailboxes/${mailbox_username}" > sudo service dovecot start The problem is that in your config you have: mail_location = mdbox:/home/vmail/virtualmailboxes/%n:DIRNAME=dbox-Mails-nocollision-random-KOKxNmMJkEBeCitBhFwS You need to preserve the DIRNAME. So: sudo doveadm backup -D -u "${mailbox_username}" "mdbox:/home/vmail/virtualmailboxes/${mailbox_username}_backup:DIRNAME=dbox-Mails-nocollision-random-KOKxNmMJkEBeCitBhFwS" sudo service dovecot stop sudo mv "/home/vmail/virtualmailboxes...

Dear Aki, I switched to "gz" now, since "zstd" also gave some errors on writing to files. I dont know if "xz" compression or "zstd" shreddered my MDBOX Files, but I lost 4 days of mail. (a couple of thousand mails). After restoring the backup (what was made after switching to version 2.3.11.3) I still have some broken mdfiles, but not too many. Interestingly

> On 25/08/2020 14:35 Robert Nowotny <rnowotny at rotek.at> wrote: > > > I get ZLIB Errors after dovecot upgrade from 2.3.10.1 to 2.3.11.3 > > > Aug 21 15:27:34 lxc-imap dovecot: imap(acsida)<63870><jZk...>: Error: Mailbox Sent: UID=40826: read(zlib(/home/vmail/virtualmailboxes/acsida/storage/m.2409)) failed:

..._age = 2 days mail_index_log_rotate_max_size = 1 M mail_index_log_rotate_min_age = 5 mins mail_index_log_rotate_min_size = 32 k mail_index_rewrite_max_log_bytes = 128 k mail_index_rewrite_min_log_bytes = 8 k mail_location = mdbox:/home/vmail/virtualmailboxes/%n:DIRNAME=dbox-Mails-nocollision-random-KOKxNmMJkEBeCitBhFwS mail_log_prefix = "%s(%u)<%{pid}><%{session}>: " mail_max_keyword_length = 80 mail_max_lock_timeout = 0 mail_max_userip_connections = 10 mail_never_cache_fields = imap.envelope mail_nfs_index = no mail_nfs_storage = no mail_plugin_dir = /usr/local/lib/dovecot mail_plugins = &q...