public void setSpfPercentage(Double spfPercentage) {
        this.spfPercentage = spfPercentage;
    }
<p>
The percentage of emails that were authenticated by using Sender Policy Framework (SPF) during the predictive
inbox placement test.
</p>

@param spfPercentage
       The percentage of emails that were authenticated by using Sender Policy Framework (SPF) during the
       predictive inbox placement test.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/PlacementStatistics.java