> AVX was just a guess. Based in the above it could be sse 4.2 that is the > issue. The machine that is failing lacks this (which actually makes that cpu > pretty old I would guess)
A core dump is the most efficient diagnostic. It’s fast and easy. The modern macOS instructions are here: https://rspamd.com/doc/faq.html#how-to-figure-out-why-rspamd-process-crashed
