Configure Exchange 2007/2010 to use a Smarthost
You should provide the hostname of the CSEG server that you are using as your preferred CSEG service domain.
Routing all mails to a smarthost :
A Send Connector must already have been created and configured correctly on the Hub Transport server.
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Open Exchange Management Console.
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Click on the '+' next to Organization Configuration.
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Select Hub Transport and select the 'Send Connectors' tab.
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Right-click on the existing Send Connector, select 'Properties' and go to the 'Network' tab.
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Select "Route mail through the following smart hosts:" and click 'Add'.
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Enter mxpool1.spamgateway.comodo.com (for EU based CSEG server) or
If you have more then one Smarthost, repeat the previous two steps.mxpool1.us.spamgateway.comodo.com (for US based CSEG server) - you need to use port 587 for both.
The changes to the Send Connector will take effect immediately without you having to reboot the server or restart any services.
In order to change the port to 587 you will have to issue the following command in the Exchange Powershell Console:
Set-SendConnector -identity "NAME OF CONNECTOR" -Port:587
Restart the transport service.
Routing all mails to a smart host with Username-password or IP based Authentication:
A Send Connector must already have been created and configured correctly on the Hub Transport server.
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Open Exchange Management Console.
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Click on the + next to Organization Configuration.
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Select Hub Transport and select the 'Send Connectors' tab.
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Right-click on the existing Send Connector, select 'Properties' and go to the 'Network' tab.
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Select "Route mail through the following smart hosts:" and click 'Add'.
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In the FQDN section enter mxpool1.spamgateway.comodo.com, mxpool2.spamgateway.comodo.com (for EU based CSEG server) or
mxpool1.us.spamgateway.comodo.com(for US based CSEG server).
- Click 'Change' under the smart-host authentication.
- For Basic Authentication
- Select 'Basic Authentication' and tick the 'Basic Authentication over TLS' box.
- Add your username and password that was previously created in CSEG Outgoing Users configuration page.
- Click 'OK'
- For IP based Authentication
- Select 'None'
- Click 'OK'
- Then add outbound IP of Exchange Server in CSEG Outgoing Users configuration page.
The changes to the Send Connector will take effect immediately without you having to reboot the server or restart any services.
In order to change the port to 587 you will have to issue the following command in the Exchange Powershell Console:
Set-SendConnector -identity "NAME OF CONNECTOR" -Port:587
Restart the transport service.