[Dovecot] Mail.app IDLE support

[Nikolay Shopik]

On 14.11.2007 21:26, Martin R. Ehmsen wrote:
> On 14/11/2007, at 13.13, Timo Sirainen wrote:
>
>> On Wed, 2007-11-14 at 13:05 -0500, Martin R. Ehmsen wrote:
>>> I'm trying to use the new IDLE support in Mail.app on Mac OS 10.5, and
>>> it works sort of, but it seems to miss some notifications.
>>> My guess is the IDLE support in Mail.app is implemented such that it
>>> sets up a connection for IDLE notifications and then checks the mail
>>> via another connection, and because of that the "IDLE-connection" gets
>>> disconnected for inactivity after 30 min. The reason for my guess is
>>> that I get the following in my logs:
>> ..
>>> dovecot: Nov 14 17:43:29 Info: IMAP(amanda): Disconnected for 
>>> inactivity
>>>
>>> Is there something I can do about this problem? Is the IDLE
>>> implementation in the 1.1 branch different from the implementation in
>>> the 1.0 branch of dovecot?
>>
>> Yes, it's different there. In v1.1 it never actually disconnects for
>> inactivity. It sends "Still here" notifications every 2 minutes, so if
>> the connection is really dead those sends should cause Dovecot to notice
>> the disconnection.
>>
>> But is disconnection the real problem? I changed IDLE a bit also in
>> v1.0.6:
>>
>>     * IDLE: Interval between mailbox change notifies is now 1 second,
>>       because some clients keep a long-running IDLE connection and use
>>       other connections to actually read the mails.
>
> I'm not sure that it is disconnections that is the real problem, that 
> was just what I figured from the above log.
> Is there some way to get more verbose output in the logs that could 
> help debug my problem? (the only verbose options are for auth and ssl, 
> and no options seems to apply under the log section of the config file).
> I'm using v. 1.0.7, but I guess I could try the 1.1 branch even though 
> it is in beta :-)
>
> Martin
I think most easy way is just tcpdump packets from client to see whats 
going on.