____ are collections of IP addresses of known spam sources on the Internet, and they can be easily integrated into most SMTP server configurations.
A) Real-time blacklistings (RBLs)
B) Cross-site scriptings
C) SMTP traps
D) Domain Name Security Extensions

Question

Quizplus · Accepted Answer

Real-time blacklistings (RBLs) are specifically designed to list IP addresses known to be sources of spam, allowing email systems to block or filter emails coming from those addresses.

____ Are Collections of IP Addresses of Known Spam Sources