Change port number for smart host on exchange 2003

I want to change the port that smtp uses to send mail to the smart host on exchange 2003. Is this possible ? if so where is the setting hiding ? Thanks
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Milkybar-kidAsked:
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TJworldCommented:
I've not got an Exchange 2003 Server in front of me right now, but for Exchange 2000, in the Virtual Server Properties, Delivery tab there was a button "Outboud connections..." that brings up a dialog where you can set the outbound TCP port to connect to on the remote SMTP server.
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Milkybar-kidAuthor Commented:
I found that but it doesn't seem to have any affect on the connection. There is also an smtp connector which seems to have setting that conflict with the virtual server. Which is responsible for the delivery?
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TJworldCommented:
I think there's a little confusion here about your terminology.

Do you want to connect to an external smarthost that is listening on a non-standard port for SMTP?

e.g: public.smarthost.com:1025

or do you mean the source port used on the Exchange Server to send *from* ?

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Milkybar-kidAuthor Commented:
OK sorry about that. I want to connect to an external smart host on port 225
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TJworldCommented:
I've just tested this on my Exchange Server and it works. I set the FQDN of the host I wanted to deliver to, and in the Outbound Connections->TCP Port I put 225.

Then I sent an email and monitored the results.

ISA Server blocked the outgoing connection but logged the attempt, and it tried to connect to port 225 on the destination server.

Maybe you need to open port 225 on your firewall for outbound TCP?
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