Usually this is not a problem but since the gateway is now blacklisted, nobody has access to their outlook behind astaro. I have created an exception to bypass bad reputation test for that IP but I was wondering what would cause an IP to be blacklisted like that.
2014:09:17-21:09:46 gatekeeper reverseproxy: [Wed Sep 17 21:09:46.619773 2014] [authz_blacklist:warn] [pid 6040:tid 2788858736] [client 166.137.120.198:36124] Client is listed on DNSRBL black.rbl.ctipd.astaro.local
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