5 companies including adult broadcasting companies and shopping malls that have sent `Spam mails` ignoring the rejection of the receivers were imposed to correctional fines.

The person who sends e-mails without an indication of advertisement or containing false exaggerated ads will be punished of suspension of business license or criminal punishment from May.

The advertising mails containing bad things for juveniles like sexual and violent contents should attach the notice of `Ads for Adults` to the title from July.