A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 81.245.230.244
Country: Belgium (BE)
Reverse: 244.230-245-81.adsl-dyn.isp.belgacom.be
Autonomous System Number: AS5432
Lookup results for 81.245.230.244
No specific incidents regarding 81.245.230.244 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.