From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: X-Spam-Status: No, score=-4.0 required=3.0 tests=ALL_TRUSTED,BAYES_00 shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 3FBA01F403; Wed, 13 Jun 2018 01:18:24 +0000 (UTC) Date: Wed, 13 Jun 2018 01:18:24 +0000 From: Eric Wong To: Leah Neukirchen Cc: meta@public-inbox.org Subject: Re: [PATCH] public-inbox-mda: use status codes where applicable Message-ID: <20180613011824.t4k6vrrr7y4crd5c@dcvr> References: <20180612153652.29719-1-leah@vuxu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180612153652.29719-1-leah@vuxu.org> List-Id: Leah Neukirchen wrote: > Many MTA understand these and map them to sensible SMTP error messages. > > Inability to find an inbox results in "5.1.1 user unknown". > Misformatted messages are rejected with "5.6.0 data format error". > Unsupported inbox versions are reported as "5.3.5 local configuration error". > > All of these are interpreted as permanent failures. Thanks, applied along with the Socket6 mention in INSTALL.