+ PostfixMailHostname:
+ Description: Hostname for postfix..
+ Type: String
+ Default: nagios3-nagios3
+ PostfixMailDomain:
+ Description: Top level domain for postfix.
+ Type: String
+ Default: novalocal
+ PostfixDelayWarningTime:
+ Description: Amount of time to Delay warnnings.
+ Type: String
+ Default: 4h