Ticket #18926: pluggable.php.4.diff

wp-includes/pluggable.php

@@ -432 +432 @@
         // Send!
         try {
                 $phpmailer->Send();
-        } catch ( phpmailerException $e ) {
+        } catch ( phpmailerException $e ) {             
+                if ( WP_DEBUG ) 
+                        error_log( sprintf('Cannot send mail. Recipient: %s; Subject: %s -- Error: %s', $to, $subject, $e->getCode(), $e->getMessage() ) ); 
+                
+                $mail_error_data = compact( $to, $subject, $message, $headers, $attachments );
+                do_action( 'wp_mail_fail', new WP_Error( $e->getCode(), $e->getMessage(), $mail_error_data ) );
+                
                 return false;
         }