blocking domains in /etc/postfix/access
https://www.linuxquestions.org/questi...3/how-to-block-domains-postfix-684924
spammers are awesome.
https://jetpack.com/support/sharing
-
https://github.com/splorp/wordpress-comment-blacklist
-
http://theseomizer.com/blog_comments_posting.php
-
http://owni.fr/misc/opensource/antisplog-after.html
-
http://www.google.com/cse/home?cx=010363265520675485990:xjmxcyokkls
-
http://www.umasswiki.com/wiki/UMassWiki:Blocking_Spam_In_Mediawiki
-
http://mu.wordpress.org/forums/topic/14842
-
http://wordpress.org/extend/plugins/sabre
-
http://wordpress.org/extend/plugins/wp-hashcash