Jack Dunn wrote:

In previous incarnations, Outlook would perform a send/receive up0on
opening. In my new installations here at work, we must manually force
the S/R.

If you specify a send/receive interval, Outlook will perform a Send/Receive
when it starts. In Outlook, press Alt-Ctrl-S. Set the send/receive
interval there. Specify one no less than about ten minutes.
--
Brian Tillman