Book Image

Microsoft Exchange Server 2013 PowerShell Cookbook: Second Edition - Second Edition

Book Image

Microsoft Exchange Server 2013 PowerShell Cookbook: Second Edition - Second Edition

Overview of this book

Microsoft Exchange Server 2013 is a complex messaging system. Windows PowerShell 3 can be used in conjunction with Exchange Server 2013 to automate and manage routine and complex tasks to save time, money, and eliminate errors.Microsoft Exchange Server 2013 PowerShell Cookbook: Second Edition offers more than 120 recipes and solutions to everyday problems and tasks encountered in the management and administration of Exchange Server. If you want to write scripts that help you create mailboxes, monitor server resources, and generate detailed reports, then this Cookbook is for you. This practical guide to Powershell and Exchange Server 2013 will help you automate and manage time-consuming and reoccurring tasks quickly and efficiently. Starting by going through key PowerShell concepts and the Exchange Management Shell, this book will get you automating tasks that used to take hours in no time.With practical recipes on the management of recipients and mailboxes as well as distribution groups and address lists, this book will save you countless hours on repetitive tasks. Diving deeper, you will then manage your mailbox database, client access, and your transport servers with simple but effective scripts.This book finishes with advanced recipes on Exchange Server problems such as server monitoring as well as maintaining high availability and security. If you want to control every aspect of Exchange Server 2013 and learn how to save time with PowerShell, then this cookbook is for you.
Table of Contents (23 chapters)
Microsoft Exchange Server 2013 PowerShell Cookbook
Credits
About the Authors
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Implementing a header firewall


When messages are passed from one server to another through SMTP, Exchange Edge and Mailbox servers add custom X-Header fields into the message header. These headers can contain a variety of information such as mail server IP addresses, spam confidence levels (SCL), content filtering results, and rule processing statuses. Header firewalls are used to remove these custom X-Header fields so that unauthorized sources cannot obtain detailed information about your messaging environment. In this recipe, you'll learn how to use the Exchange Management Shell to implement a header firewall that prevents the disclosure of internal information sent to an external source.

How to do it...

One of the most common uses of a header firewall is to remove internal server infrastructure details from SMTP e-mail message headers destined for an external recipient. To do this on an Edge Transport server, you need to modify the permissions for the Internet send connector using the Remove...