It evaluates your campaign for you, providing a breakdown by corporate email spam filters, webmail spam filters and any other spam filters.
Reading the spam filter report
To access the spam filter report, go to Campaigns > Inbox test results and click on View next to the tested campaign, or by clicking the link in the notification email that gets sent to you once the test completes (if you've requested it).
Click on the Spam filters tab to display the report's results.
The report is divided into three categories - 'Corporate email spam filters', 'Webmail spam filters' and 'Others' - and shows whether your campaign would pass or fail, and sometimes with a score.
In some cases, the spam filter may be unavailable and no result can be given.
You'll be able to click on View details against certain entries.
This provides more details on the result, as shown below, including specific information on the spam filter and recommendations for improvement.