What does SBL stand for?
SBL stands for "SpamCop Blocking List"
How to abbreviate "SpamCop Blocking List"?
"SpamCop Blocking List" can be abbreviated as SBL
What is the meaning of SBL abbreviation?
The meaning of SBL abbreviation is "SpamCop Blocking List"
What does SBL mean?
SBL as abbreviation means "SpamCop Blocking List"