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Thread: Barracuda implementation

  1. #1
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    Default Barracuda implementation

    Our organization will be implementing a clustered Barracuda solution, in front of Zimbra. We want to only allow SMTP traffic for our organization to route through the Barracuda boxes, but allow SMTP Auth from anywhere in the world.

    The standard way to configure this, would be to place the Zimbra mail server behind our firewall, and allow SMTP traffic, only from the Barracuda box. However, if we do this, we will also be blocking users from using Zimbra for SMTP Auth.

    Is there a way to assign a different port for SMTP traffic (this would be blocked, except from the Barracuda boxes), and only allow SMTP Auth on port 25?
    Last edited by afried; 12-28-2006 at 08:23 AM. Reason: Spelling

  2. #2
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    Default

    Quote Originally Posted by afried View Post
    Our organization will be implementing a clustered Barracuda solution, in front of Zimbra. We want to only allow SMTP traffic for our organization to route through the Barracuda boxes, but allow SMTP Auth from anywhere in the world.

    The standard way to configure this, would be to place the Zimbra mail server behind our firewall, and allow SMTP traffic, only from the Barracuda box. However, if we do this, we will also be blocking users from using Zimbra for SMTP Auth.

    Is there a way to assign a different port for SMTP traffic (this would be blocked, except from the Barracuda boxes), and only allow SMTP Auth on port 25?
    I'm not sure I understand what you're trying to achieve with that setup. We're using a Barracuda in conjunction with Zimbra, and have set up SMTP AUTH passthru on the Barracuda to allow users to send mail through it. The Barracuda accepts incoming mail for our domain, and allows relay for anyone who passes SMTP AUTH. Our Zimbra server is not open on port 25 to the world.

    If you go to the 'Advanced' tab in the Barracuda admin you'll see an 'outbound/relay' section. The SMTP AUTH passthru is defined there.

    HTH,

    -chris

  3. #3
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    Chris,

    Thanks for the info. This is exactly what we were loking for. We were not aware of that feature in Barracuda (we just received the boxes, and were in the mode of firing them up).

    Thanks again,

    Andy

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