Hi Arnold, thanks for your assistance. I solved the issue right now by changing
prefix = Shared/%%u/ to prefix = Shared/%%n/ This omits the @mydomain.de part which holds the dot causing the trouble. Why this became a problem due to the update I wouldn't know. Regards Lothar Am 22.07.2019 um 10:49 schrieb Arnold Opio Oree: > Hi Lothar, > > I haven't yet had the opportunity to go deep into Dovecot engineering / > development, (so please correct me if necessary anyone). > > I have experienced this exception where attempting to copy mailbox data > within a client from IMAP account to IMAP account, but I have not had > it cause a mailbox to become inaccessible. > > The reason was because Maildir++ format uses the "." separator to > delineate child directories, and therefore the character is illegal in > mailbox names. The issue was addressed by either changing the > filesystem layout to LAYOUT=fs or by changing the mailbox format > altogether to e.g. sdbox. > >> location = maildir:%%h:INDEX=%h/shared/%%u > I can see from your configuration that the LAYOUT is not set as fs, so > I would assume is still using Maildir++. > > Perhaps this setting was lost during the upgrade? > > Regards, > > Arnold Opio Oree > Chief Executive Officer > Parallax Digital Technologies > > arnoldo...@parallaxdt.com > > http://www.parallaxdt.com > > tel : +44 (0) 333 577 8587 > fax : +44 (0) 20 8711 2477 > > Parallax Digital Technologies is a trading name of Parallax Global > Limited. U.K. Co. No. 08836288 > > The contents of this e-mail are confidential. If you are not the > intended recipient you are to delete this e-mail immediately, disregard > its contents and disclose them to no other persons. > > -----Original Message----- > From: Lothar Schilling via dovecot <dovecot@dovecot.org> > Reply-To: Lothar Schilling <l...@proasyl.de> > To: dovecot@dovecot.org > Subject: Character not allowed in mailbox name > Date: Mon, 22 Jul 2019 08:33:45 +0200 > > Hi everybody, > > after an update this morning to dovecot 2.3.7 we cannot connect to our > shared mailboxes anymore. The error message as issued in Thunderbird: > > "Character not allowed in mailbox name '.'" > > I didn't change anything about the configuration. Output of dovecot -n: > > [...] > namespace { > list = children > location = maildir:%%h:INDEX=%h/shared/%%u > prefix = Shared/%%u/ > separator = / > subscriptions = yes > type = shared > } > [...] > > Any help would be appreciated, thank you very much. > > Lothar Schilling > > > > >
