I had my system go to a high load due to a hung modprobe. (I tried to
reload my iptables firewall and the attempt to unload the nat module spun.)
This resulted in lots of anomalies in my maillog. I eventually noticed the
problem and niced the modprobe process until I could get a chance to reboot.
One anomaly was that sendmail reported a milter error trying to talk to MD.
Another was that greet_pause would start reporting pre-greet traffic from
legitimate peers (in this example, my MX backup).
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: Milter (mimedefang):
timeout before data read
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: Milter (mimedefang):
to error state
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: Milter (mimedefang):
init failed to open
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: Milter (mimedefang):
to error state
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: Milter:
initialization failed, temp failing commands
Feb 3 04:15:53 newred sendmail[851]: j13CErYx000851: rejecting commands
from [69.17.55.168] [69.17.55.168] due to pre-greeting traffic
Is this a reasonable thing to see under these conditions? Or is it
indicative of a problem in sendmail?
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