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13 comments

Date Votes
  • Benito

    In case it helps, this is the resolver error. 

    52560 is in an RBL: Error: open resolver; https://check.spamhaus.org/returnc/pub/2a01:4f8:0:a0a2::add:2a/

    I find it strange that even removing that IPv6 from the /etc/resolv.conf file the same error still appears.

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  • cPRex Jurassic Moderator

    Hey hey!  I'm honestly not sure - if the only entries in the file are the resolvers provided by Hetzner it would be best to contact them as there could be a problem with those systems.

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  • activa

    Hello
    We have the same issue in all hetzner cloud and dedicated servers.

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  • Tino Andrijic

    In WHM, under Exim/RBL, Spamhaus should be turned off and receiving emails will work again.

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  • Benito

    Found the problem and solution

    https://www.spamhaus.org/resource-hub/email-security/query-the-legacy-dnsbls-via-hetzner/

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  • Okiring Millan

    Hello, this worked for me.

    1. In WHM, Home/Networking Setup/Resolver Configuration
        Enter;
             Primary Resolver = 185.12.64.1
             Secondary Resolver = 185.12.64.2
    Then Save

    2. In WHM, Home/Service Configuration/Exim Configuration Manager
    Under RBL Tab
             Turn off: RBL:bl.spamcop.net
             Turn off: RBL:zen.spamhaus.org
    Then Save

    3. Update the resolv.conf file (> /etc/resolv.conf) (Optional)
                  nameserver    185.12.64.1
              nameserver    185.12.64.2
    Then Save

    4. Restart Exim and Dovecot
              > systemctl restart exim dovecot

    Let me know if this works for you as well.

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  • Benito

    It's ok but you end up deactivating two RBL lists. The best thing for me was to register for the free Spamhaus DQS service and add the RBLs with API KEY within Manage Custom RBLs in Exim Configuration Manager

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  • Clouseau

    Can you post a screenshot with API KEY part hidden so we can know what to add as a custom RBL? Spamhaus has instructions for MTA for Postfix,Sendmail but no Exim.

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  • Benito

    Sure,

    First you need to register in spamhaus and get your RBL URL with API KEY.

    Later add each URL you want to use in Manage Custom RBLS

    And finally use the toggle to enable the ones you want to use. 

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  • Clouseau

    Oh, I though you get API key and you need to call it somehow seperately inside exim config. I see now is embedded in URL. Tnx :)

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  • Marios Maravelias
     
    BenitoI did exactly what you did but when I sent a test email from a gmail to my server's email it gets rejected:
    JunkMail rejected - mail-lj1-f175.google.com [209.85.208.175]:46096 is in an RBL: No IP queries for ZRD (a domain list)
    JunkMail rejected - mail-lj1-f176.google.com [209.85.208.176]:54296 is in an RBL: No IP queries for DBL, see https://www.spamhaus.org/faqs/domain-blocklist#can-the-dbl-be-used-to-look-up-ip-addresses
     
    Any ideas?

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  • Marios Maravelias

    Ok I've found the solution:

    "if you purchased the IP lookup service, configure your mail server or antispam appliance to use the external blocking list for IP addresses 
    y-------------------------------------i.zen.dq.spamhaus.net "

    so you only use zen or sbl/pbl/xbl and not dbl or zrd, I did these changes and now it works ok.

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  • Benito

    Yup, I did have those two disabled because I faced the same problem. 

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