How to fix improper use spamhaus blocklist?

Salute comrades!
A few days ago, have ceased to receive mail from some domains. In the logs I see boobshuge
reject: RCPT from venus.servername [xxx.xxx.xxx.xxx]: 554 5.7.1 Service unavailable; Client host [venus.servername] blocked using sbl.spamhaus.org; SPAMHAUS BLOCKLIST WRONGLY USED AS A RHSBL LIST! MUST FIX; from=<user@venus.servername> to=<user@localdomain> proto=ESMTP helo=<venus.servername></venus.servername></user@localdomain></user@venus.servername>

To be honest, first time I see this, and do not even know how to rule
Zimbra 8.6.0
June 8th 19 at 16:43
1 answer
June 8th 19 at 16:45
Solution
You use sbl.spamhaus.org as RHSBL (i.e. blacklist the domain name, in this case, the PTR of the host), while it is a blacklist on IP addresses, configure the correct type blacklist, make sure that sbl.spamhaus.org it is passed an IP address.

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