Outlook will send but not receive automatically

One of our employees works off his wireless network all the time (home, office, hotels).  He can send email just fine.  When he clicks Send, they go out.  But he cannot receive emails automatically as they come through.

I have checked his settings and everything is set to come through upon arrival.  It's also set to do an auto send/receive every 10 minutes.  None of this works though.  He says the only way to get his emails to come through his Outlook 2007 client is to 'repair' his wireless connection which obviously disables/enables the wireless card.

Once he does that, he can hit send/receive and everything will come through.  But then after that, if he hits send receive, no emails come through.  He then has to repair the connection once again.  

Everything is working fine except this.  He can browse the net, send emails, basically do everything, but for some reason, his incoming emails just won't come to the computer.

I recently upgraded from Office 2003 to 2007 per company requirements and this started happening after that he says.  Anyone ever seen this before?
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We can check\compare with another working users
Tools --> send/receive --> Send/receive settings --> Define Send/receive groups

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shedmunAuthor Commented:
This did not work.
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