Delete large files from server.

Hi Group, I have a problem in that some one keeps sending me very large files, in excess of 2.5 meg. I have spoken to the person responsible and even sent the message and file back but to no avail. This person has broad band access. Here is the question ! Rather than shoot the "moron" does anyone know of a program for SuSE 8.0 Pro that will interrogate the server (isp) and delete any emails with attachments that I have not authorized for sending. ie: it will tell me what is on the server and give me the opportunity to either download the file or delete it without downloading it ? Clive