Hi everyone,
a customer told us today to add some custom RBLs at his UTM, because he is getting a lot of spam and the "recommended RBLs" are not enough for him.
So I added four RLBs today:
- zen.spamhaus.org
- psbl.surriel.com
- sbl-xbl.spamhaus.org
- blackholes.easynet.nl
As soon as I configured it like that, nearly all incoming mails are blackholed as spam, even if their IPs are NOT on any spamlist.
Does anybody know that problem with custom RBLs?
Best regards, Johnny
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