On Sun, May 26, 2024 at 5:57 AM John Fawcett via Postfix-users < [email protected]> wrote:
> For submission I only use xbl (return code 127.0.0.4) excluding other > other data contained in zen like pbl that lists isp dynamic ip ranges from > which you would normally expect to get connections to submission. For me > it's safe to use xbl for submission since I don't want connections from > exploited machines and it cuts out most of the noise and some of the risk > from people hammering smtp auth. It won't fit everyone's use case though. > For this to be worthwhile, I assume you also set smtpd_delay_reject to no ?
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