Unable to connect to the Database.<br /><ul><li>Check that <b>password</b> used to connect to the database is <b>correct</b>.</li><li>Check that your <b>database server is up and running</b>.</li></ul>The following error message can help you : Unknown MySQL server host 'mysql51-41.perso' (2)<br /><br /><a href="http://gregory.kokanosky.free.fr/v4/phpmynewsletter/docs/">Documentation</a> section on phpMyNewsletter website.