Dovecot doesn't give error in such case, because some clients (probably Outlook too) would start showing user alert boxes every time when a message is read, complaining about not having permissions to change message flags.
On Wed, 2010-09-01 at 11:51 -0500, Alexander Cherniak wrote: > I checked both Outlook 2007 and 2010. The "red" flag get updated in local PST > file, but not on the server. There is also no warning about the failure. > Outlook Express behaves exactly the same. Although, eventually sync does > happen after some period of time... > \Seen flag behaves differently. Outlook allows to change it locally, but > synchronizes it back when user exits and then enters the same folder, > providing quite a bizarre experience. > > -----Original Message----- > From: Timo Sirainen [mailto:t...@iki.fi] > Sent: Wednesday, September 01, 2010 12:04 PM > To: Alexander Cherniak > Cc: dovecot@dovecot.org > Subject: Re: [Dovecot] (no subject) > > On Tue, 2010-08-31 at 14:26 -0500, Alexander Cherniak wrote: > > > Unfortunately, mail clients do not always cooperate, Outlook in > > particular still allows to set message flags in folders without "wst" > > ACLs. Can somebody recommend comparative analysis with configuration > > options? > > You mean Outlook actually allows changing flags on the server? Or it > just changes the flags locally? They don't get reset with restart? > > >