1. Public information: The mayor's message board will publicly display the user name, personal data or message history of the publisher. Find relevant information in the message board interface.
2. Contact the administrator: you can contact the administrator or the person in charge of the mayor's message board to inquire whether to provide information inquiry service for publishers and the specific steps and requirements of inquiry.
3. Legal procedures: Under special circumstances, it is necessary to obtain the identity information of the publisher through legal procedures, and you can consult relevant legal departments or legal experts to understand the feasible legal channels and procedures.