Build a Website

My website was just taken offline without warning by my hosting company. I need to do the following things in order to get it back offline: "Customer was causing excessive load negatively impacting other customers on the server by running following processes and his application seems to be getting post spammed. Mysql Table Statistics: 28841659 wp_posts katelpho_wordpress 6739904 wp_postmeta katelpho_wordpress 6643821 wp_options katelpho_wordpress 6541357 wp_term_relationships katelpho_wordpress 740763 wp_rg_form_view katelpho_wordpress 486395 wp_options katelpho_wrd1 478151 wp_postmeta katelpho_wrd1 465732 wp_posts katelpho_wrd1 433841 wp_term_taxonomy katelpho_wordpress 373181 wp_comments katelpho_wordpress Customer should prevent post spamming by following steps: 1) Customer needs to remove excess posts from problem database(s). 2) Install a CAPTCHA plugin. 3) Determine if they want users to be able to make new posts without moderation and make appropriate changes to their configuration"