On Mon, 13 Oct 2025, Lexi Winter wrote:
after some more debugging, i think what's going on here is that pkg(8) is deleting and recreating /var/spool/mqueue on upgrade, which means smmsp's open fd to that directory is no longer valid, and therefore openat() returns this unusual error.
(leaving the restart discussion on a side) I think mail spool queues should be left untouched by pkg(8). There might be some mail there waiting to be sent. Marcin
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