With that information, you may contact enforcement authorities, including the system management at the message sender's location. If the messages came from someone at USU, contact the Student Services office in the Taggart Student Center. This does not include on-topic mail sent to a subscription mailing list. As mentioned above, the sender still holds the copyright on the message sent to you. It does not have to involve any sort of financial offer.
Chain letters waste bandwidth and disk space and generally provide false or useless information.
These are usually commercial deals that have failed to provide a service that was paid for. Since commercial use of USU accounts is prohibited, this only make the offense worse. Don't get duped into participating in any email money-making scheme. If it's too good to be true it probably isn't true. Well, you might lose your computer access and find yourself on non-academic probation.