[Dovecot] IMAP IDLE - iPhone?

[Timo Sirainen]

On 10.8.2012, at 9.31, Robin wrote:

> On 8/9/2012 11:26 PM, Luigi Rosa wrote:
>> I used K-9 client on Android for one year with push, but I had to remove
>> it and go back to integrated email client because it drained the battery.
> 
> It sounds like "push" was really implemented as a poll.

Dovecot has by default:

imap_idle_notify_interval = 2 mins

So the phone needs to receive and send data every 2 minutes. Increasing this / disabling it entirely should help with power usage. But even then active TCP connections do eat up battery.