Freebsd, postfix and push email

perryh at perryh at
Mon Mar 29 02:13:06 UTC 2010

Dan Nelson <dnelson at> 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.

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