Severity level of log messages when the DNS server is unreachable
Components
FortiMail 3.0 MR2 or greater
Steps or Commands
FortiMail units log messages when the DNS server is unreachable. The severity level of the log message varies by the number of times that the DNS server could not be reached.
Warning severity level log message: 15 failures in 5 minutes
Alert severity level log message: 40 failures in 5 minutes
