Yes, there are different types of RBLs, each focusing on specific aspects of email security. Some common types include:
1. Spam RBLs: Lists IPs known for sending spam emails. 2. Virus RBLs: Lists IPs associated with sending emails containing viruses or malware. 3. Open Relay RBLs: Lists IPs of servers that allow third parties to send emails without authentication. 4. Policy RBLs: Lists IPs based on specific policies, such as geographical location or ISP reputation.