Prolateral Consulting Ltd
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Setup examples

Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.


How to setup a SmartHost in Exchange 2003?
How to setup Exchange 2003 to use outMail as a Mail Relay?


Follow the guide below to configure Microsoft Exchange 2003 use outMail as the SmartHost and Internet Mail Relay.

This article already assumes your exchange system is able to send emails externally and therefore a SMTP Connector and SMTP Virtual Server has already been created and configured correctly in the System Manager for Exchange.

Open Exchange Management Console also known as System Manager for Exchange
Click on the + next to Servers
Click on the + next to Organization
Click on the + next to Protocols
Click on the + next to SMTP

Exchange Management Console

Right click on your Default SMTP Virtual Server

Click properties

Exchange SMTP Virtual Server Settings

Under Delivery click Outbound Security

Exchange Outbound Security Settings

Enter the outMail username and password provided to you and click OK.

Exchange Advanced Delivery Settings

Click on the Advanced button and ensure your fully qualified domain name is correct. In this knowledge base article we are using

Enter in the "Smart host" field and click OK

Exchange Management Console

Scroll down to the Connectors folder and click the + to expand it.

Note: If you can not find the Connectors folder then select the Routing Groups folder and expand the tree until you do find the Connectors folder.

Expand and right click the Internet Mail Connector

Click on Properties.

Exchange Internet Mail Connector Properties

Select "Forward all mail through this connector to the following smart hosts"

Enter in the field.

Note: If your server isn't already in the list of local bridgeheads you will need to add it.

Select the "Advanced" TAB.

Exchange SMTP Connector Properties

Select "Do not send ETRN/TURN"

Click on the "Outbound Security..." Button

Exchange Outbound Security Settings

Select "Basic authentication"

Click on the Modify button.

Exchange Outbound Connection Credentials

Enter the outMail username and password provided to you and click OK.

Continue clicking on OK until you return to the System Manager.

Although not necessary you may need to restart the Virtual SMTP Server for the settings to take effect

Video Tutorial


Summary of server details

Outgoing server

As provided in your signup email.

Outgoing server protocol


Outgoing server port

25, 465, 587, 2525 or 8025

Authentication Type

Basic Authentication, SSL and TLS supported


As provided


As provided

Uninstalling / Removing outMail

To change your outgoing SMTP server settings away from outMail simply follow the setup guide above and where asked to enter the outgoing SMTP mail server address and login credentials please use those provided to you for the service provider you are moving to.

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