A method, computer program product, and system for validating content included in an electronic communication is disclosed. A computer receives a new communication that includes content from an original communication. The computer determines if the content included in the new communication includes a change to the original communication. In response to determining that the content includes the change to the original communication, the computer generates a validation score of the new communication, such that the validation score is determined by an amount of match between the content of the new communication and the original communication, and the extent to which the change alters a purport of the original communication.