From owner-freebsd-questions@FreeBSD.ORG  Mon Mar 29 02:13:06 2010
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 45713106564A
	for <freebsd-questions@freebsd.org>;
	Mon, 29 Mar 2010 02:13:06 +0000 (UTC)
	(envelope-from perryh@pluto.rain.com)
Received: from agora.rdrop.com (unknown [IPv6:2607:f678:1010::34])
	by mx1.freebsd.org (Postfix) with ESMTP id 1CFBB8FC18
	for <freebsd-questions@freebsd.org>;
	Mon, 29 Mar 2010 02:13:06 +0000 (UTC)
Received: from agora.rdrop.com (66@localhost [127.0.0.1])
	by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id o2T2D1BI019719
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Sun, 28 Mar 2010 19:13:01 -0700 (PDT)
	(envelope-from perryh@pluto.rain.com)
Received: (from uucp@localhost)
	by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id o2T2D1E4019718; 
	Sun, 28 Mar 2010 19:13:01 -0700 (PDT)
Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407)
	id AA27781; Sun, 28 Mar 10 18:06:35 PST
Date: Sun, 28 Mar 2010 19:06:14 -0700
From: perryh@pluto.rain.com
To: dnelson@allantgroup.com
Message-Id: <4bb00b16.r6x7sHLu7UV4Gbwk%perryh@pluto.rain.com>
References: <4BAED536.2060205@rzweb.com>
	<ade45ae91003272212j297b1ca2o57fbf682b1832951@mail.gmail.com>
	<4baef8de.00G1oLWhtZbJ8Rwl%perryh@pluto.rain.com>
	<E3865D82-E65A-4440-A663-6B3C3C259F6B@goldmark.org>
	<4BAFB9AC.7040406@rzweb.com> <20100328203849.GD4806@dan.emsphone.com>
In-Reply-To: <20100328203849.GD4806@dan.emsphone.com>
User-Agent: nail 11.25 7/29/05
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-questions@freebsd.org
Subject: Re: Freebsd, postfix and push email
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 29 Mar 2010 02:13:06 -0000

Dan Nelson <dnelson@allantgroup.com> wrote:
> For ActiveSync at least, the phone has to keep a TCP connection to
> the server open 24/7, and the server sends a notification when a
> new mail arrives.  MobileMe probably works the same way.  The IMAP
> protocol supports a similar "notify on new mail" option, but for
> some reason Apple doesn't use it in their client.

Sigh.  It's hardly the first time a major software company
insisted on "improving" a standard protocol instead of
maintaining compatibility/interoperability with the rest
of the world.