I've finished the first version of opensmtpd-filter-auth and I've tried to use
it on real world traffic.

As expected it crashed instantly but without any core.

I've tried sysctl kern.nosuidcoredump with value 2 and 3, tried to create
/var/crash/filter-auth and /var/crash/smtpd, but it also doesn't help.

I had created /etc/login.conf.d/smtpd


without any sucess.

So, how can I enable capture core dump for OpenSMTPD filters on OpenBSD 7.4?

I feel that I've missed something, really.

wbr, Kirill

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