This indicates the credentials in the list are specifically targeted at email accounts.
Downloading or attempting to use these files carries severe risks: Download File 900K HQ COMBO MAIL ACCESS TARGET ...
The file you are referencing, "900K HQ COMBO MAIL ACCESS TARGET," is a , which is a collection of stolen usernames and passwords. These files are primarily used by cybercriminals to perform automated attacks. What This File Is This indicates the credentials in the list are