4.0.5 Bug – Emails Delivered as Visible HTML

This is what the email looks like:

<p>Dear Site Admin,</p><p>A host, xxx.xxx.xxx.xx , has been locked out of the WordPress site at https://mydomain.com/ due to too many attempts to access a file that does not exist.</p><p>The host has been locked out until 2014-03-28 10:26:31 .</p><p></p><p>*This email was generated automatically by iThemes Security. To change your email preferences please visit the plugin settings.</p>

https://www.ads-software.com/plugins/better-wp-security/