Most what ports need to be opened for exchange 2007 related news are at:
msexchange.org
– The leading Microsoft Exchange Server and Office 365 resource site.
Configuring an Exchange 2013 Hybrid Deployment and Migrating to Office 365 (Exchange Online) (Part 8) 27 Aug 2013 | 02:27 pm
In this article we will install and configure the Windows Azure Active Directory (WAAD) Sync tool on our Windows Server 2012 domain-member server and start object synchronization from our on-premises ...
Transitioning to Forefront Online Protection for Exchange (FOPE) (Part 6) 22 Aug 2013 | 02:54 pm
In this final article the author applies all features covered so far on simple and complex transition scenarios.