ansible-inventories/arocom#2847 changed smtp host from "mailhog" to "localhost"

templates/d8_settings.php.jinja2

@@ -132,7 +132,7 @@ if (file_exists('modules/contrib/redis/redis.info.yml') && extension_loaded('red
 }
 
 {% if item.mailhog|default(false) %}
-$config['smtp.settings']['smtp_host'] = 'mailhog';
+$config['smtp.settings']['smtp_host'] = 'localhost';
 $config['smtp.settings']['smtp_hostbackup'] = '';
 $config['smtp.settings']['smtp_port'] = '1025';
 $config['smtp.settings']['smtp_protocol'] = 'standard';