--- src/compose.c.orig	2011-07-21 23:17:20.000000000 +0200
+++ src/compose.c	2011-07-21 23:17:27.000000000 +0200
@@ -3442,6 +3442,8 @@
 static gint compose_send(Compose *compose)
 {
 	gchar tmp[MAXPATHLEN + 1];
+	gchar plain[MAXPATHLEN + 1];
+	gchar *outbox_file = tmp;
 	gint ok = 0;
 
 	if (compose->lock_count > 0)
@@ -3479,10 +3481,25 @@
 			return -1;
 		}
 	} else {
+		/* original dump to be sent */
 		if (compose_write_to_file(compose, tmp, FALSE) < 0) {
 			compose_unlock(compose);
 			return -1;
 		}
+		/* disable the encryption temporary to dump it in plain */
+		if (compose->use_encryption) {
+			/* write the plain to a temporary file too */
+			g_snprintf(plain, sizeof(plain), "%s%cplamsg.%p",
+				get_tmp_dir(), G_DIR_SEPARATOR, compose);
+			compose->use_encryption = FALSE;
+
+			if (compose_write_to_file(compose, plain, FALSE) < 0)
+				g_warning(_("can't make a plain copy."));
+			else
+				outbox_file = plain;
+
+			compose->use_encryption = TRUE;
+		}
 	}
 
 	if (!compose->to_list && !compose->newsgroup_list) {
@@ -3557,7 +3574,7 @@
 				fltinfo->flags.perm_flags = 0;
 				fltinfo->flags.tmp_flags = MSG_RECEIVED;
 
-				filter_apply(prefs_common.fltlist, tmp,
+				filter_apply(prefs_common.fltlist, outbox_file,
 					     fltinfo);
 
 				drop_done = fltinfo->drop_done;
@@ -3568,7 +3585,7 @@
 			if (!drop_done) {
 				outbox = account_get_special_folder
 					(compose->account, F_OUTBOX);
-				if (procmsg_save_to_outbox(outbox, tmp) < 0)
+				if (procmsg_save_to_outbox(outbox, outbox_file) < 0)
 					alertpanel_error
 						(_("Can't save the message to outbox."));
 				else
@@ -3583,6 +3600,7 @@
 	}
 
 	g_unlink(tmp);
+	if (outbox_file != tmp) g_unlink(outbox_file);
 	compose_unlock(compose);
 
 	return ok;