By popular demand and since many of you requested this: I’ve put the Visio file of the Exchange 2010 SP1 Network Ports Diagram online. The original post in PDF format is of April 5th.
If you got any comments or additions worth sharing, do not hesitate to write ‘em down in the comments or send me an e-mail. When used, crediting or a reference is appreciated.
The Visio document can be downloaded from here.