Send Comments From Blocked Email Domains to Spam
Sends comments to the spam queue when the commenter's email address belongs to a throwaway inbox service or any other domain on your list.
Snippet Library
Security snippets for WordPress
Snippets that harden WordPress: turn off XML-RPC, hide the version number, stop user enumeration, add security headers and block risky uploads. Small, reviewable changes for site owners who want fewer attack points without a heavy security plugin.