Opening Ports in Exchange

I purchased an SecNap Security device and it needs integrated to my exchange server. It wants me to open a port on the exchang server. How do I do this. Thank you
PetielAsked:
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Alan HardistyCo-OwnerCommented:
What is the SecNap device (model number) and what port is it wanting to open?
Usually the port is opened on the device and forwarded to the server.  Exchange should already have the ports required open and won't need additional tweaks to make it work.
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PetielAuthor Commented:
I will look but I believe it is 473, but then I try it it fails, cannot open port or find exchange server
Model # SME-150
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ManicDCommented:
It may be talking about the standard windows firewall found in control panel??


http://support.microsoft.com/kb/842242
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Alan HardistyCo-OwnerCommented:
TCP/IP Port 473 is Hybrid-POP - what the heck does it want with that port?
http://www.iana.org/assignments/port-numbers 
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PetielAuthor Commented:
Sorry port 143
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Alan HardistyCo-OwnerCommented:
Ah - that's better - Port 143 is IMAP.
Read the following document:
http://technet.microsoft.com/en-us/library/bb124489.aspx 
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