Fatal error: Uncaught Error: Undefined constant "SMTP_HOST" in /home/museo/public_html/staging/wp-content/themes/mltheme/mailprueba.php:15
Stack trace:
#0 /home/museo/public_html/staging/wp-includes/template-loader.php(113): include()
#1 /home/museo/public_html/staging/wp-blog-header.php(19): require_once('/home/museo/pub...')
#2 /home/museo/public_html/staging/index.php(17): require('/home/museo/pub...')
#3 {main}
thrown in /home/museo/public_html/staging/wp-content/themes/mltheme/mailprueba.php on line 15