On Wednesday 20 January 2010 21:29:37 Timo Sirainen wrote: > On 20.1.2010, at 23.17, Kārlis Repsons wrote: > > What exactly? Does a MUA gets notified about both the new folder and > > mail? > > > >> But this is more of a client and/or IMAP protocol problem. Nothing > >> Dovecot can do about it. > > > > Could you, please, explain why can it be a protocol problem? > > In IMAP a single connection can select a single folder. When it has > selected the folder, it gets notifications about changes to that one > specific folder. When it issues IDLE command, it gets those notifications > immediately. > > There are no automatic notifications about changes to non-selected folders. > There are two ways clients can get these: > > a) They'll create n connections to select n folders and issue IDLE command > for them. This won't work if there are a lot of folders. For example > Dovecot limits the number of connections/ip to 10. > > b) They'll issue STATUS commands to ask for folder state every n minutes. > > Typically it seems to be a combination of a) and b). There is a NOTIFY > extension that supports notifying changes to non-selected folders, but > there are very close to zero servers and clients supporting it. Dovecot > will, some day.. Thanks!
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