“…another popular solution to fight spam is Antispam Bee”—Matt Mullenweg, Q&A WordCamp Europe 2014
An exceptionally powerful WordPress anti-spam plugin that eliminates comment spam, trackback spam, contact form spam & registration spam.
WordPress Website Security Protection: Firewall Security, Login Security, Database Security... Effective, Reliable, Easy to use...
Bad Behavior prevents spammers from ever delivering their junk, and in many cases, from ever reading your site in the first place.
Optimizes the WordPress Database after Cleaning it out
Spam protection, anti-spam, all-in-one, premium plug-in. No comments spam & registrations spam, no email spam, protects any forms. Forget spam.
Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam and registration spam. Protects against malicious attacks.
It blocks any spams, login attempts and malicious access to the admin area posted from the specific countries, and also prevents zero-day exploit.
Performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam.
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o
Send customisable emails to your users for different WordPress notifications.
Numbers comments sequentially and hierarchically; handles comments which are threaded, paged and/or reversed. Coders can call the function directly.
Globally disables trackbacks to cut down on spam. Very, very few people legitimately use trackbacks and spammers love them, so it's worthy tradeoff.
Totally disables XMLRPC, preventing the recent Pingback spam vulnerability.
Plugin to reject spam. Port from same author from http://www.phpbbantispam.com Actually visits the URL from commenter to spider for spamwords.
Block 250+ spam sites, such as semalt.com and 4webmasters.org! Keep your website safe and your Google Analytics statistics clean and accurate.
Stops trackbacks and pingbacks from showing up as comments on posts.
Close comments, pingbacks and trackbacks on your posts automatically at intervals set by you
"Nonce, Please!" is a simple plugin that prevents brute-force comments and trackbacks from spammer. This is *NOT* an alternatives to Akismet.
Clean Up Booster is a High quality plugin which allows you to clean WordPress and optimize database along performing other vast security functions.
A plugin to help separate trackbacks and pingbacks from comments.
Very light invisible method to block auto-spam when spam comment is posted. Pings and trackbacks cheks for real backlink.
A more seamless approach to deflecting the vast majority of SPAM comments.
SMu DoFollow has many DoFollow Options (Manual or Automatism) and included URL Validator (Manual, WP-Cron or Cronjob).
Webmention for WordPress!
One step process to remove pingbacks and trackbacks and leave only real user opinions in your posts comments.
Richer Comments and Linkbacks for WordPress!
Comment-Emailer allows you to customize the email wordpress automatically sends when a new comment, pingback or trackback has been approved.