multiple IMAP sessions when connecting from one client

[Martin Vegter]

> On 08/27/2014 11:22 AM, Steffen Kaiser wrote:
> On Wed, 27 Aug 2014, Martin Vegter wrote:
> 
>> This looks like 4 separate sessions are created when I log in from one
>> client.
> 
>> Is this normal behavior?
>> Can somebody please explain why this is so?
> 
> because Thunderbird wants to access 4 mailboxes simultaneously, e.g. to 
> check or wait for new messages.

That would make sense.

But I have 5 mailboxes in total (Inbox, Sent, Draft, Archive, Trash).
Although, I suspect Inbox has special status because it is not defined
together with the other four in 15-mailboxes.conf