Themes, that themes are located with the right path. ** place mp-content folder outside mailpress folder *** copy mp-content folder in the mailpress parent directory with a new folder name (e.g. : mailpress-content) *** create mailpress-config.php file from this file inside mailpress parent directory, rename "mp-content" (e.g. : replace 'mp-content' by 'mailpress-content'). *** check under Wp Admin : Mails > Themes, that themes are located with the right path. ** define use of wp_enqueue_script for mailpress subscription form >> requires : wp_print_scripts(); in your wordpress theme footer !! . ** define log for debug purpose only, uncomment appropriate line. */ // 0. //define ('MP_Ip_ipinfodb_ApiKey', '<- get your api key here : http://www.ipinfodb.com/register.php ->'); //define ('MP_Ip_quova_ApiKey', '<- get your api key here : http://developer.quova.com/member/register ->'); //define ('MP_Ip_quova_Secret', '<- get your secret here : http://developer.quova.com/member/register ->'); // 1. /** Folder name of MailPress 'mp-content'. */ //define ('MP_CONTENT_FOLDER', 'mp-content'); // 2. /** MailPress subscription form wp_enqueue_script (uncomment if necessary) */ /** requires : wp_print_scripts(); in your wordpress theme footer !! */ //define ('MP_wp_enqueue_script', true); // 3. /** MailPress dev log (uncomment if necessary) */ //define ('MP_DEBUG_LOG', true); /* That's all, stop editing! Check right path under Mails > Themes and Happy mailing. */ if ( defined('MP_CONTENT_FOLDER') ) { /** Absolute path to the MailPress 'mp-content' folder. */ define ('MP_CONTENT_DIR', dirname(__FILE__) . '/' . MP_CONTENT_FOLDER . '/' ); /** Relative path to the MailPress 'mp-content' folder. */ if ( MP_FOLDER != basename(dirname(__FILE__)) ) define ('MP_PATH_CONTENT', dirname(MP_PATH) . '/' . MP_CONTENT_FOLDER . '/' ); }