What does SBL stand for?

SBL stands for "Spamhaus Block List"

How to abbreviate "Spamhaus Block List"?

"Spamhaus Block List" can be abbreviated as SBL

What is the meaning of SBL abbreviation?

The meaning of SBL abbreviation is "Spamhaus Block List"

What does SBL mean?

SBL as abbreviation means "Spamhaus Block List"