The Patch

@@ -413,6 +413,11 @@
                $tofromusername = $message['tousername'];
                $tofromuid = $message['toid'];
            }
+                        else if(count($recipients['to']) == 1) {
+                               $tofromuid = $recipients['to'][0];
+                               $user = $cached_users[$tofromuid];
+                               $tofromusername = format_name($user['username'], $user['usergroup'], $user['displaygroup']);
+                        }
            else
            {
                $tofromusername = $lang->not_sent;
@@ -1731,6 +1736,7 @@
    {
        if($message['folder'] == 2 || $message['folder'] == 3)
        { // Sent Items or Drafts Folder Check
+           $recipients = unserialize($message['recipients']);
            if($message['toid'])
            {
                $tofromuid = $message['toid'];
@@ -1743,6 +1749,11 @@
                    $tofromusername = build_profile_link($message['tousername'], $tofromuid);
                }
            }
+                        else if(count($recipients['to']) == 1) {
+                               $tofromuid = $recipients['to'][0];
+                               $user = $cached_users[$tofromuid];
+                               $tofromusername = format_name($user['username'], $user['usergroup'], $user['displaygroup']);
+                        }
            else
            {
                $tofromusername = $lang->not_sent;
@@ -2064,6 +2075,11 @@
                    $tofromusername = $message['tousername'];
                    $tofromuid = $message['toid'];
                }
+                           else if(count($recipients['to']) == 1) {
+                                   $tofromuid = $recipients['to'][0];
+                                   $user = $cached_users[$tofromuid];
+                                   $tofromusername = format_name($user['username'], $user['usergroup'], $user['displaygroup']);
+                           }
                else
                {
                    $tofromusername = $lang->not_sent;