check-smtp
Description
Check for SMTP connection.
Setting
[plugin.checks.smtp]
command = "/path/to/check-smtp -H smtp.example.com -p 25 -w 3 -c 5 -t 10"
Options
-H, --host= Hostname (default: localhost)
-p, --port= Port (default: 25)
-F, --fqdn= FQDN used for HELO
-s, --smtps Use SMTP over TLS
-S, --starttls Use STARTTLS
-A, --authmech= SMTP AUTH Authentication Mechanisms(only PLAIN supported)
-U, --authuser= SMTP AUTH username
-P, --authpassword= SMTP AUTH password
-w, --warning= Warning threshold (sec)
-c, --critical= Critical threshold (sec)
-t, --timeout= Timeout (sec) (default: 10)