So there is no such folder as "projects.projects"? I don't know why Thunderbird would try to open it then. Maybe it wasn't Dovecot upgrade but Thunderbird upgrade that started breaking it?
You could also see if LSUB "" * lists a "projects.projects". > On 06 Apr 2016, at 22:43, Eric <ebr...@whitehorsetc.com> wrote: > > Timo, > > b list "" * > <listing of inbox folders> > . > . > . > * LIST (\HasChildren) "." projects > * LIST (\HasNoChildren) "." projects.xxx > * LIST (\HasNoChildren) "." projects.yyy > * LIST (\HasNoChildren) "." projects.zzz > . > . > . > . > more projects children > * OK List completed (0.00 + 0.00 secs). > > And > > ls -a /home/vpopmail/domains/domain.tld/shared/projects > > .xxx > .yyy > .zzz > cur > dovecot.index.cache > dovecot.index.log > dovecot.mailbox.log > dovecot.mailbox.log.2 > dovecot-uidlist > dovecot-uidvalidity > dovecot-uidvalidity.4d991164 > new > subscriptions > tmp > > Eric > > > > On 4/6/2016 1:03 PM, Timo Sirainen wrote: >> On 05 Apr 2016, at 05:23, Eric <ebr...@whitehorsetc.com> wrote: >>> Hello list, >>> >>> I have a namespace called 'projects' which when clicked in Thunderbird >>> (nonexistent in eM Client) yields the following error: >>> >>> "The current operation on 'projects' did not succeed. The mail server for >>> account >>> u...@domain.tld responded: mailbox doesn't exist: projects.projects (0.00 + >>> 0.00 secs)." >>> >>> The namespace is configure as follows: >>> >>> # Shared namespace 'projects' >>> namespace { >>> location = maildir:/home/vpopmail/domains/domain.tld/shared/projects >>> prefix = projects. >>> separator = . >>> type = public >>> } >> Try talking IMAP protocol to see what's actually happening here: >> >> telnet localhost 143 >> a login user pass >> b list "" * >> >> Also what's actually supposed to exist under the projects? ls -a >> /home/vpopmail/domains/domain.tld/shared/projects ?