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Barracuda Email Security Gateway

How can I configure Microsoft Exchange 2003 to use my Barracuda Spam Firewall as an outbound relay?

  • Type: Knowledgebase
  • Date changed: 2 years ago
Solution #00002978

Scope:

All Barracuda Spam Firewalls in use with a Microsoft Exchange 2003 server, all firmware versions.

Answer:

*** Barracuda Networks provides no guarantee that the instructions will work in your environment, and provides these instructions on the condition that the you use them your own risk.***

After configuring the Barracuda Spam Firewall to relay outgoing mail (make sure to do this first as described in Solution #00002087), you must configure your mail server to relay all outgoing mail through the Barracuda Spam Firewall. To do this on an Exchange 2003 server, follow these steps:

1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. Locate the following folder: Servers/Your_Server/Protocols/SMTP/<Your_SMTP_Virtual_Server>
3. Right-click <Your_SMTP_Virtual_Server>, and then click Properties.
4. Click the Delivery tab, and then click Advanced.
5. In the Smart host box, type the name of the smart host server. You can type a string to represent a name or type an IP address that is enclosed in brackets. 
6. Once this has been done, make sure to restart your SMTP virtual server so that the new configuration takes effect.


Alternatively, you may decide to use a connector which routes email, rather than an SMTP virtual server:

1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. Right-click on <Your_Exchange_Server> and select Properties.
3. Make sure that the checkbox Display routing groups is checked. Right Click "First Organization"
4. Locate the following folder: Administrative Groups/Your_Administrative_Group/Routing Groups/Your_Routing_Group/Connectors
5. Right-click Connectors, select New, and then click SMTP Connector.
6. Provide a value for the Name field.
7. In the Smart host box, type the name of the smart host server. You can type a string to represent a name or type an IP address that is enclosed in brackets. Then select the local bridgehead (Usually your mail server ).
8. Select the Address Space tab, typical settings are "SMTP" then select (*)

Additional Notes:
For more information on SMTP connectors and Exchange 2003, click here:

http://support.microsoft.com/kb/265293

Link to this page:
https://campus.barracuda.com/solution/50160000000H4NkAAK