Example no. 1 - Defining a chart that displays the quantity of messages passing the SpamAssassinBundled filter with the verdict of Spam:

- Login to the WebAdmin interface; - Click on the Status & Monitoring drop-down menu; - Click the Charts link; - Click the Add chart button; - Type the name of the new chart group: Spam, in this example; - In the Chart Name field, type the name of the chart to be created (in our case Spam_messages); - Within the Data Aggregation section, select the Built-in Filter: SpamAssassinBundled Match parameter to collect. - As Aggregation function, select Total; - As Aggregation interval select by the minute; - Click the Save configuration button at the bottom to save the newly-introduced data; - Click the OK button from the warning message box to complete the creation of the chart; since this is a new chart, there is no data stored regarding the specified parameter. Please note that any changes to a chart's data recording settings will lead to a reset of the chart's information.

1.2.2 Chart Display Settings In the Predefined Styles section, you can use different chart types, filling and outlining colors for configuring the graph details of the chart. Additionally, a live preview of the current chart is available.

2. How Chart Information Is Collected & Processed Now we will detail how the AXIGEN Mail Server collects and processes chart data and how various settings can influence the display of the charts. This will help you in the process of understanding and reading the defined charts, and further help in the process of creating new charts based on the available parameters.

When the sample interval is reached (default: once every minute), AXIGEN performs the following operations:

- Increases or decreases all the SNMP counters based on the read parameter information; - Stores all the parameter information based on which charts can be created; - The AXIGEN configuration file is checked for defined charts; - After all the defined charts are inventoried. The remaining parameter data that does not correspond to a defined chart is discarded; - If the aggregation interval is reached, the aggregation function is applied on the previously recorded values of the remaining parameters. The resulted value is written in the defined chart's database used for displaying charts; - If the aggregation interval is not reached, then the recorded values of the parameters are stored in memory with each sample interval until the aggregation interval is reached.

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