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Re: Announcement: Grinch, an open relay checker

From: Daniel Mack (danielyoobay.net)
Date: Tue Sep 02 2003 - 07:38:23 CDT


On Fri, Aug 29, 2003 at 05:49:16PM -0400, Wietse Venema wrote:
> The mere fact that the MTA accepts the mail does not prove it is
> an open relay. It might come to the conclusion that user%remote is
> a non-existent local username. qmail works this way.

So, taking all concerns serious, grinch has been reworked completely.
It now really sends a mail, waits for the mail to return and sends
a soft error meanwhile. In addition, Cache::Cache is now used for
storing known records and Unix::Syslog to log actions.

Just wanted to let you know. More comments welcome.

http://www.yoobay.net/grinch/

Daniel