On a 4.8-RELEASE-p17 machine running Sendmail 8.12.8p2 we are seeing the
following errors in /var/log/{messages,maillog}:
sm-mta[50018]: i3TDTBcR050018: SYSERR(root): out of memory: Cannot
allocate memory
I will include more info as we can gather it.
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Nick Golder