1. A method comprising: searching text in a message for fragments that match use-restricted content from one or more columns and any one or more rows within a tabular structure of the use-restricted content; identifying a violation by detecting fragments in the message that match use-restricted content from the one or more columns and any one or more rows within the tabular structure; and specifying, as part of reporting the violation, the fragments that match the information from the one or more columns and any one or more rows within the tabular structure.