Exchange 2003 mail routing for branch office move

I have a pending branch office move in the US and would like to check the mail flow to ensure the mail is queued in the UK office whilst the move is under way. All servers are Exchange 2003

Inbound mail comes via the UK head office where  there is a Front end server and a mailbox server. The US office as 2 mailbox servers one of them running as the front end server also. I want to ensure that whilst the office move is under way in the US that all their mail is queued in the UK and that the mail is not bounced I want to ensure that there is enough capacity in the UK to queue the mail.

Is this just a matter of going to the Default SMTP Virtual Server Properties  and setting the delay notification and expiration timeout  to make sure it covers the period of the outage.?  For capacity do I just need to ensure the queue files are pointed to a big enough drive  ?

There are connectors set up to each of the US exchange servers but there is nothing here in relation to queuing mail that I can see so I presume this all done at the SMTP Virtual server


Any advice would be appreciated

EGCAsked:
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sstone55423Commented:
Well, you can monitor the queues.  Then send out emails to a cariety of places, watch them queue, and then dissapear.  If you watch the queues, and nothing queues, then you may be in the wrong place.  For instance, if you send to bob@hotmail.com, and then you refresh the queue (you have to do that manually) and one item for hotmail.com shows in a queue, then that may be the right place.
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sstone55423Commented:
From your description, I think you are correct that setting a longer timeout, retry schedule will keep your email queued there longer, until you can get the new server working.  As you suggest, sometimes a connector can circumvent eh SMTP virtual server, and so you want to check to be sure that the SMTP virtual server is the path being used.  Maybe a tets late at night, set the queueing/resend schedule to very brief times, disconnect briefly and test, and then lengthen them a few minutes and test again, while checking the queues.  (of course, put the scheudle back when you are done)
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EGCAuthor Commented:
Thanks that is as I thought is there any way I can confirm that the connectors arent involved apart from the test as I will need to do this after midnight and before 8:00am .

Can anyone confirm if  the SMTP connector controls all the mail flow including inter-site mail ie form the UK exchange to the US  exchange server
 
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sstone55423Commented:
How does it look.  Did that work for you?
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