On 24/05/24 02:12, Matus UHLAR - fantomas via Postfix-users wrote:
Zen includes the "PBL" component, which consists largely of
residential and mobile consumer IPs.
Yes, but these are (usually) not considered valid clients, these should
use submission/submissions(smtps) ports where reject_rbl_client and/or
zen.spamhaus.orgshould not be used.
And the OP is referring to SASL AUTH attacks which are for submission,
not MX connections.
Peter
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