#1485337: fill recipient on reply to address of yourself (if there's only one address found in message)

program/steps/mail/compose.inc

@@ -209,9 +209,14 @@ function rcmail_compose_headers($attrib)
     {
       $to_addresses = $IMAP->decode_address_list($fvalue);
       $fvalue = '';
+
       foreach ($to_addresses as $addr_part)
       {
-        if (!empty($addr_part['mailto']) && !in_array($addr_part['mailto'], $sa_recipients) && (!$MESSAGE->compose_from || !in_array($addr_part['mailto'], $MESSAGE->compose_from)))
+        if (!empty($addr_part['mailto'])
+	    && !in_array($addr_part['mailto'], $sa_recipients)
+	    && (!$MESSAGE->compose_from
+		|| !in_array($addr_part['mailto'], $MESSAGE->compose_from)
+		|| count($to_addresses)==1)) // allow reply to yourself
         {
           $fvalue .= (strlen($fvalue) ? ', ':'').$addr_part['string'];
           $sa_recipients[] = $addr_part['mailto'];