Hi Nick,
are you able to connect to machine xx.xx.xx.xx on port 25 by telnet
during the error occurs?
Or maybe the smtp service gives a temporary failure for external
connections because of high load for example. Took a look in the
mail.log what is written down there ?
Kind regards, Dennis
Hi All
For a few hours a day off and on, I get the following warning from "check_smtp -H xx.xx.xx.xx"
command running on the main Nagios host:
"Invalid SMTP response received from host"
"SMTP WARNING - 0.005 sec. response time|time=0.004907s;;;0.000000"
During this problem, if I run the same command on machine xx.xx.xx.xx, it
returns:
SMTP OK - 0.005 sec. response time|time=0.005030s;;;0.000000
This affects only one machine out of many.
Any ideas appreciated.
TIA, Nick
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