On 18.03.21 22:34, Antonio Leding wrote:
#### 1. Where to place IPBL\DNSBL rules
* Because the result of a hit against an IPBL\DNSBL is to REJECT, does
it make sense to place these kind of rules earlier in the
SMTPD_RESTRICTIONS eval chain (i.e. CLIENT) rather than later (i.e.
RECIPIENT) as shown in the _Getting selective with SMTP access
restriction lists_ section of the SMTPD_ACCESS_README document.
in addition to what others mentioned, I'd like to add, that using dnsbl's in
later stages allowd you to allow particular sender/recipient even if sending
IP address or domain is blocked via dnsbl.
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