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I am attempting to connect to an exchange server over the internet through an ISA server. <br />
The client works fine when using the proxy client 2.0 server. However, with the same ports open on the isa server, i have no luck. The hosts file is setup correctly. If i open all IP traffic on the isa server in protocol rules it works correctly. <br />
These are the ports I have open. sounds to me like I need some other port open for this to work? <br />
<br />
135<br />
53<br />
1024-1027<br />
143<br />
88<br />
389<br />
3268<br />
445<br />
80<br />

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I am attempting to connect to an exchange server over the internet through an ISA server. 
The client works fine when using the proxy client 2.0 server. However, with the same ports open on the isa server, i have no luck. The hosts file is setup correctly. If i open all IP traffic on the isa server in protocol rules it works correctly. 
These are the ports I have open. sounds to me like I need some other port open for this to work? 

135
53
1024-1027
143
88
389
3268
445
80


connecting to exchange over internet through ISA Server

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.