[Imap-protocol] Fwd: iOS IMAP IDLE (Standard "Push Email") Deficiency, Explanation?

[John Snow]

Mark Crispin wrote:

> On Mon, 4 Oct 2010, John Snow wrote:

>>> That assumes that the IMAP server notifies instantly, instead of 

>>> polling

>>> internally at a fixed interval.  This, in turn, assumes some form of

>>> message passing between the MDA and the IMAP server.

>> That's true.  I took that as am implied requirement for implementing 

>> IDLE.

>

> There's no enforcement of such a requirement.  If IDLE is simply a

> checklist requirement (which it usually is) then the simplest way to get

> it checked is via an internal poll.

>

> After all, who's gonna know?

>

>> We live in a world full of impatient people.

>

> How will they know?  This is a day and age when the vast majority of 

> users

> don't even have access to Received headers, much less can interpret them.

>

They know via the phone.  These impatient people call to see if the 
recipient
has read the mail that they just sent. They expect the mail to arrive as 
soon as it's
sent.

> -- Mark --

>

> http://panda.com/mrc

> Democracy is two wolves and a sheep deciding what to eat for lunch.

> Liberty is a well-armed sheep contesting the vote.

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