Email Address → Settings → Advanced
Filters can be used to strip harmful or unwanted data from the submitted form data. See below for an explanation of what each filter does and its options.
Adding a filter
To add a filter, click the button of the filter you want to add, for example, to add the Trim filter, click the Trim button.
Removing a filter
To remove a filter, click the remove icon on the filter.
The trim filter removes any whitespace from the start and end of the value.