These companies are still SMS messaging students who share their phone numbers. You can report scam SMS messages to 7 7 2 6 ( S - P - A - M ). Copy the contents of the scam SMS message and paste it into a message to that number.
On iPhone: Hold your finger on the message, tap "More...", tap the Forward icon in the bottom right of the screen.
If you see similar email messages from other email domains please let ITS know.