...
Greek Language Domain Ruleset
Catches spams written in Greek or by Greek spammers or that target the .GR domain.
Created by: Dimitris Michelinakis
License Type: Artistic
Status: Active
Auto-update: Yes - Please try to keep checks down to no more than once every 24 hours
Available at: http://www.michelinakis.gr/Dimitris/spamassassin/gr_domain.cf
More information on the site: http://www.michelinakis.gr/Dimitris/spamassassin/
Italian Language Domain Ruleset
Catches spams written in Italian or by Italian spammers or that target the .IT domain.
Created by: Giovanni Bechis
License Type: Artistic
Status: Active
Auto-update: Yes
Available at: https://spamassassin.snb.it
IP Reputation
A free public email reputation system, basically a combined whitelist and blacklist. Uses more automated data collection. Results for people contributing data are looking better than anything else available for SpamAssassin.
Contact: Darxus
License Type: Apache, data is public domain
Status: Active
Maintained as of: 2011-04-03
Added: 2011-04-03
Available at: http://www.chaosreigns.com/iprep/
Sample Results: http://www.chaosreigns.com/iprep/#results
...