We'll create fresh WordPress site with Display wp_mail Error Messages installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Display wp_mail Error Messages
Many plugins use the WordPress function wp_mail to send emails. When an error happens, it’s hard to locate the problem. This plugin will catch the wp_mail error messages and display them.
Features
How to Use
After the plugin is installed and activated, in the WordPress backend, goto the left menu WP Error Messages -> Show Errors.