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Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition
book

Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition

by Jonas Andersson, Nuno Mota, Mike Pfeiffer
July 2017
Intermediate to advanced
648 pages
31h 9m
English
Packt Publishing
Content preview from Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition

How it works...

When creating a relay connector using this technique, you want to ensure that only certain hosts are allowed to relay mail using the RemoteIPRanges property. If this connector was configured with a remote IP range of 0.0.0.0-255.255.255.255, this would effectively turn the Exchange server into an open relay. This is because the AuthMechanism parameter has been set to ExternalAuthoritative, which means that the connection is considered externally secured by using a security mechanism external to Exchange, so Exchange bypasses all security and fully trusts all messages received from hosts in the RemoteIPRanges list. Additionally, messages accepted through this connector will not be scanned by anti-spam agents or be restricted ...

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Publisher Resources

ISBN: 9781787126930