> On 28/01/2021 15:15 Tobias Stein <tobias_st...@rockstable.it> wrote: > > > Hi, > > i'm running Dovecot 2.3.14.alpha0 with shared namespaces > and stumbled across some errors messages logged, > when the list of subscribed mailboxes is queried by a client. > For every distinct account of in the list of subscriptions > two corresponding lines are logged: > > Jan 28 11:42:34 mx1 dovecot: auth: missing passwd file: > /etc/dovecot/private/example/users > Jan 28 11:42:34 mx1 dovecot: auth: missing passwd file: > /etc/dovecot/private/example/users > Jan 28 11:42:34 mx1 dovecot: auth: missing passwd file: > /etc/dovecot/private/example/users > Jan 28 11:42:36 mx1 dovecot: > imap(example_u...@example.com)<3638><xl6li/O5VsVfWxyn>: Error: > mkdir(/var/run/dovecot/user-not-found/noc@example) failed: Permission denied > (euid=109(vmail) egid=118(vmail) missing +w perm: /var/run/dovecot, dir owned > by 0:0 mode=0755) > Jan 28 11:42:36 mx1 dovecot: > imap(example_u...@example.com)<3638><xl6li/O5VsVfWxyn>: Error: > mkdir(/var/run/dovecot/user-not-found/info@example) failed: Permission denied > (euid=109(vmail) egid=118(vmail) missing +w perm: /var/run/dovecot, dir owned > by 0:0 mode=0755) > Jan 28 11:42:36 mx1 dovecot: > imap(example_u...@example.com)<3638><xl6li/O5VsVfWxyn>: Error: > mkdir(/var/run/dovecot/user-not-found/root@example) failed: Permission denied > (euid=109(vmail) egid=118(vmail) missing +w perm: /var/run/dovecot, dir owned > by 0:0 mode=0755) > > Similar messages are logged, > when invalid entries are listed in '/var/lib/dovecot/db/shared-mailboxes', > which i already pruned and haven't received them anymore since. > > I think these errors are caused by an unintended behaviour > when writing "~/Maildir/subscriptions", > which looks (shortened) like this. > > V 2 > > INBOX/INBOX > shared/noc@example com/INBOX > shared/info@example com/INBOX > shared/root@example com/test > shared/root@example com/test test_sub > > The subscription-file.c > explodes the name on every hierarchy separator ('.','\0') and > inserts a TAB character. Unfortunately it also explodes on > the DNS label delimiter „.‟. This should probably be fixed > by passing a structure containing the required information > to the formatter to distinguish mailboxes from domain-names. > > Subscription in combination with multiple domains and > shared mailboxes seems broken to me. Actually i can't even explain to me, > why it is working in face of the errors. :-) > > > Unfortunately in Maildir++ the separator dot is hard-coded. > > There is a very old thread on this mailing list, > that suggests using „auth_username_translation‟ > to replace dots with a different character, > but this idea is getting worse the longer i think about it. > > I absolutely dislike the idea to set LAYOUT=fs, > namespace/separator = § to change the separators > to split on, because this would mean to restructure the > physical layout of all mailboxes (hierarchically) and > mess around with lots of files. > > > I attached a dovecot-sysreport to reproduce the behaviour. > > /etc/dovecot/private/example.com/users looks like this: > ### user:password:uid:gid:(gecos):home:(shell):extra_fields > noc:{SSHA512}_hash_:::::: > info:{SSHA512}_hash_:::::: > root:{SSHA512}_hash_:::::: > > Please correct me if i'm wrong or > point me to a workaround, > but i think the layout code needs some love. :-) > > > Best regards > Tobias
You should probably add :LAYOUT=FS on your mail locations. This will change the folder naming into foo/bar/baz instead of .foo.bar.baz. Aki