Administrators • RBL lookup error - Host or domain name not found

Hello

I noticed recently that my RBL lookup are not anymore working in Zimbra OSE (v8.8.15 on ubuntu 20.04)

All received emails are showing this kind of error message
Mar 11 08:28:55 marzal postfix/smtpd[440545]: warning: 133.244.233.80.bl.spamcop.net: RBL lookup error: Host or domain name not found. Name service error for name=133.244.233.80.bl.spamcop.net type=A: Host not found, try again

my setup is the following


do you have an idea of what could be the issue and how to solve it ?

Thanks a lot,
Sylvain

Statistics: Posted by lascaux — Tue Mar 11, 2025 8:36 am

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