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Email Relay in Exchange 2010

Posted on 2010-08-31
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Last Modified: 2012-05-10
What is the best way to setup email relay in Exchange 2010 to resolve the 2 scenarios below

Scenario 1
Multiple Linux boxes using sendmail send alert messages to recipients in Exchange. These Linux boxes are located within the LAN and have the same I.P Address range as the exchange 2010 server. They are not members of the Domain. Currently in our 2003 exchange environment they are just given relay permission.

Scenario 2
Server that is part of the domain encrypts messages and sends them to the exchange server to be relayed to email addresses outside the company. Server uses POP3 Virtual Server in current 2003 environment and again is configured to relay

Any help would be greatly appreciated. Steps using EMC or EMS will be both be acceptable.

Thanks in advance
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Question by:PACSAdmin
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by:Shreedhar Ette
Shreedhar Ette earned 200 total points
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by:PACSAdmin
ID: 33573298
Dematzers article is for sending from one domain to another where i want to send to the world in scenario 2. Steven bradbury suggestion could work for scenario however i have read other articles that say to do this you need to configor an additional I.P Address on the server which i could do but prefer not to. Has anyone used the steps in the second article with success
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JuusoConnecta earned 300 total points
ID: 33575052
Create Receive Connectors under Server Configuration  -> Hub Transport -> New Receive Connector ->

Scenario 2 -> FQDN of exchange 2010 Server -> Add the ip addresses of the nodes that needs relay thru ex2010 -> set authentication to "Transport Layer Security (TLS)" and "Basic Authentication" -> Permission Groups, Anynymous and

Scenario 1 -> FQDN of exchange 2010 Server -> add the ip addresses if the nodes to relay thru ex2010 (also add local ip addresses to receive mail "All available IPv4, port 587", the other one with port 25 should have been added by default) -> set authentication to "Transport Layer Security (TLS)" and "Basic Authentication with offer baisc authenication only after starting TLS" -> Permission Groups Anonymous
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