disable IMAP IDLE

[Ian Eiloart]

--On 23 November 2010 10:01:58 -0500 Ron Vachiyer <proutfoo at hotmail.com> 
wrote:

>
>> I thought sessions remained open for efficiency, regardless of IDLE,
>> until  closed by the client or 30 minutes have elapsed.
>>
>> IDLE just lets the server notify the client if new email arrives,
>> doesn't  it?
>>
>> Even without IDLE, there are benefits in leaving the session open.	   		
>
> Hello,
>
> I won't argue since clearly I am in the minority ;)  Using courier-imap
> on our Plesk servers, TCP/143 is closed after every new mail
> verification.  A dovecot server I checked does the same.  Cyrus seems to
> allow the session to be maintained, and yes, it does not advertise IDLE.
>

Then they're doing something other than IMAP4rev1, which is requires 
servers to keep a session open for 30 minutes of inactivity.

 <http://www.apps.ietf.org/rfc/rfc2060.html#sec-5.4>

Of course, if the client logs out, then the TCP session should be 
disconnected.

-- 
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
For new support requests, see http://www.sussex.ac.uk/its/help/