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Thread: Spam Score low

  1. #11
    Master Untangler
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    @khayman

    That's been my experience. Once I fixed the DNSWL issue, the flow of spam stopped. What's weird is that the amiblocked check is sometimes returning "yes" and other times "no".

  2. #12
    Master Untangler
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    So now I'm getting a descriptive text "Yes". So how to get that fixed?

  3. #13
    Master Untangler
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    Switch to a different DNS server is the only way I know.

  4. #14
    Untangle Ninja sky-knight's Avatar
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    Both DNSWL and Spamhaus are paid services. They allow so many free lookups, then they shut down. Any publicly available DNS service is vulnerable to periodic black listing by these services based on the numbers of people using them.

    This means that eventually, you have no choice but to operate your own DNS server to get your own free quota of lookups. I attempted this, and it cured the DNSWL problem, but for reasons I was unable to determine, I was black listed from SpamHaus.

    So with COX DNS I would have a WL problem but the BL worked fine. When I used my own DNS I had a BL problem and the WL worked fine.

    I'm back on ISP DNS dealing with the intermittent nature of things until I can get a working internal DNS cache functional.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  5. #15
    Untangle Ninja
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    very interesting... a client who recently switched to cox business complained to me earlier this week that recently they've been getting TONS of spam. I was just starting to look into the problem when I came across this thread. I've not had a chance to run any of the tests to confirm blocking, but they have exactly the same DNS addresses so it seems quite likely this is the issue. I'll try reconfiguring their 2k8 dns server to use root hints rather than a forwarder, and then point untangle to that DNS and see if it helps...

    thanks for all the detail sky!

  6. #16
    Untangle Ninja sky-knight's Avatar
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    Yeah too many Cox customers using Spamhaus and DNSWL apparently. I'm wondering what makes Comcast so different that similar complaints aren't being lodged there.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  7. #17
    Untangle Ninja sky-knight's Avatar
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    Check the other thread I linked for another update, it seems I'm finally on a working local DNS cache. The culprit was IPv6.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  8. #18
    Untangler
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    As suggested, I tried to run the command but could not get it to work. I kept getting a "Bad Pattern: #"
    Here is the CMD I ran :
    Code:
    root@untangle# ~ # dig 209.18.47.61.zen.spamhaus.org a [root @ untangle]
    Quote Originally Posted by sky-knight View Post
    DNSWL is only part of it.

    Did you test spamhaus? The command for a sample lookup is in post 7.

  9. #19
    Master Untangler
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    Drop the # at the beginning.

  10. #20
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    I tried that and got the same message. I then tried to remove both #'s and i get error "Command not found: root@untangle"
    Quote Originally Posted by Danp View Post
    Drop the # at the beginning.

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