The filter works on a small portion of each email, and then allows unwanted emails to be directly deleted from the user's POP3 inbox, without downloading them to the email client on the user's computer. This approach is intended to prevent the downloading of spam and other messages infected with malware.
The filter examines a portion of each email and then eliminates unwanted messages directly from the user's POP3 inbox without transferring them to the computer-based email client. This method seeks to prevent the downloading of junk mail and other infected messages.