What does RBL stand for?
RBL stands for "Relay Blackhole List"
How to abbreviate "Relay Blackhole List"?
"Relay Blackhole List" can be abbreviated as RBL
What is the meaning of RBL abbreviation?
The meaning of RBL abbreviation is "Relay Blackhole List"
What does RBL mean?
RBL as abbreviation means "Relay Blackhole List"
