Postman SMTP on "[Plugin: Postman SMTP Mailer/Email Log] Email Log doesn't show up after upgrade"

Hi Jasper, thanks for using the plugin!

1.6.9 has a check for the WordPress wp_slash function, and if it can't find it, disables the log, which was a fix for this bug.

public function isMailLoggingAllowed() {
	// mail logging requires wp_slash, added in WP 3.6.0
	return function_exists ( 'wp_slash' )  && false;
}

<Groan> I left debugging code in the plugin. Sigh. I'll fix.