[Dovecot] IMAP IDLE - iPhone?

[Sergey S. Kovalev]

10.08.2012 16:25, Timo Sirainen пишет:
>>> how does help me "save battery" if i have a folder-structure
>>> maintained by sieve if i do not get my new mails?
>> If you open 10 connections to IMAP server and will IDLE on them - your phone will wake up to reply for ping in every of that 10 connections.
>> Imagine if there will 100 folders?
> Like mentioned previously in this thread, you can disable the "ping"s in Dovecot. And even when they happen Dovecot makes them happen at the same time. So I think the power usage difference between 1 connection and 100 connections isn't much.
>
I guess, there is no trick, that will change the linear complexity by 
traffic and by CPU usage.
If you can change settings in dovecot - you can set up ActiveSync there. 
It's more suitable for mobile mailing.