+ http://www.blocklist.de/en/index.html
+ lots of timeouts as of 2023
+ forum link is dead, among others
+ seems unmaintained but alive
+ latest news is from 2016
+ latest blog entry from 2022
+ Abusix, a network security company for mail security and abuse report handling, takes over blocklist.de to integrate it within its Abusix platform to further improve its data quality.
+ http://www.emailbasura.org/cgi-bin/emailbasura-ini.pl?lang=eng
+ placeholder/parked?
+ http://www.leadmon.net/spamguard/
+ website times out