Some time ago I wrote about Realtime Nexus eBooks (in Portuguese, if you prefer). Realtimepublishers publishes several series of eBooks, authored by some of the world’s leading technology experts, that you can download freely (a registration may be required).

They published recently some new article series about messaging, here are the links:

• The Essentials Series: Messaging and Web Security Volume II - Volume Two of The Essentials Series: Messaging and Web Security examines new challenges to combating the growing proliferation of online threats that includes spam, phishing, malware and spyware. This expert series includes twenty-seven articles in total, each authored by security veteran Dan Sullivan. The Essentials Series: Messaging and Web Security - Volume II will be especially useful to small and mid-sized organizations that face the same challenges as larger enterprises, but are limited by their level of resources.
• The Shortcut Guide to Exchange Server 2007 Storage Systems- The Shortcut Guide to Exchange Server 2007 Storage Systems, authored by Microsoft Exchange MVP Jim McBee, covers Exchange Server storage capacity requirement planning, the basics of using iSCSI SANs, and best practices for scalability and SAN operations.

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