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How do I globally &nbsp;stop an email from being delivered to all domain mailboxes. I am using Exchange 2007 and Symantec version 6.5 Symantec Security for Microsoft Exchange. The email I want to blacklist globally is &quot;postmaster@ourdomaIn.com
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How do I globally  stop an email from being delivered to all domain mailboxes. I am using Exchange 2007 and Symantec version 6.5 Symantec Security for Microsoft Exchange. The email I want to blacklist globally is "postmaster@ourdomaIn.com

blacklisting a email address

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

An email client, email reader or more formally mail user agent (MUA) is a computer program used to access and manage a user's email. A web application that provides message management, composition, and reception functions is sometimes also considered an email client, but more commonly referred to as webmail.