A few of the agents installed on the Edge Transport server are discussed next.
Part II: Working with Server Roles
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Address Rewrite Agent
The Edge Transport server provides message address rewrite functionality. When companies merge and
want to present a single email address for all outgoing emails irrespective of the internal company,
address rewrite becomes invaluable. Address rewriting agents function by rewriting the SMTP headers
on email messages that are sent and received by an Edge Transport server. It consists of the Outbound
Address Rewrite agent and the Inbound Address Rewrite agent. The following cmdlets are used to
configure this agent:
??‘ Get-AddressRewriteEntry
??‘ New-AddressRewriteEntry
??‘ Set-AddressRewriteEntry
??‘ Remove-AddressRewriteEntry
Edge Rules Agent
This agent is identical to the Transport Rules agent implemented by default on the Hub Transport
server. By use of transport rules, this agent limits the number of unwanted messages entering
the organization. By acting on messages on the perimeter network before entering the messaging
organization, unwanted messages, denial of service attacks, and risks due to virus are mitigated.
Each computer running the Edge Transport server role contains its own transport rule configuration
stored locally in ADAM.
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