A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 201.29.187.20
Country: Brazil (BR)
Reverse: 201-29-187-20.user.veloxzone.com.br
Autonomous System Number: AS7738
Lookup results for 201.29.187.20
No specific incidents regarding 201.29.187.20 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.