diff -Nuard evolution-1.4.5.orig/mail/ChangeLog evolution-1.4.5/mail/ChangeLog
--- evolution-1.4.5.orig/mail/ChangeLog	2003-09-12 20:40:39.000000000 +0200
+++ evolution-1.4.5/mail/ChangeLog	2003-11-24 20:44:22.421899736 +0100
@@ -1,3 +1,9 @@
+2003-11-23  Marcin Krzyzanowski  <krzak@pld-linux.org>
+	
+	* mail-display.c (launch_cb): check if application launcher
+	is described that he need terminal, if yes launch GNOME
+	preffered terminal. Fixes bug #51288.
+
 2003-09-11  Jeffrey Stedfast  <fejj@ximian.com>
 
 	* mail-format.c (handle_text_plain): Don't set inend until after
diff -Nuard evolution-1.4.5.orig/mail/mail-display.c evolution-1.4.5/mail/mail-display.c
--- evolution-1.4.5.orig/mail/mail-display.c	2003-09-11 18:20:32.000000000 +0200
+++ evolution-1.4.5/mail/mail-display.c	2003-11-24 20:36:45.816314336 +0100
@@ -371,6 +371,7 @@
 	GList *apps, *children, *c;
 	GnomeVFSMimeApplication *app;
 	char *command, *filename;
+	gchar *terminal = NULL;
 	const char *tmpdir;
 	
 	handler = mail_lookup_handler (g_object_get_data(user_data, "mime_type"));
@@ -419,11 +420,26 @@
 		return;
 	}
 	
-	command = g_strdup_printf ("%s %s%s &", app->command,
+	if (app->requires_terminal) {
+		gchar *terminal_exec, *terminal_exec_arg;
+		GConfClient *gconf = mail_config_get_gconf_client ();
+		
+		terminal_exec = gconf_client_get_string (gconf, "/desktop/gnome/applications/terminal/exec", NULL);
+		terminal_exec_arg = gconf_client_get_string (gconf, "/desktop/gnome/applications/terminal/exec_arg", NULL);
+		
+		if (terminal_exec && terminal_exec_arg)
+			terminal = g_strdup_printf("%s %s",terminal_exec, terminal_exec_arg);
+		
+		g_free(terminal_exec);
+		g_free(terminal_exec_arg);
+	}
+	
+	command = g_strdup_printf ("%s %s %s%s &", terminal ? terminal : "", app->command,
 				   app->expects_uris == GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS ?
 				   "file://" : "", filename);
+	g_free (terminal);
 	g_free (filename);
-	
+
 	system (command);
 	g_free (command);
 }