X-Original-To: pgsql-www-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 22E6CD1B387 for ; Tue, 20 Jul 2004 11:51:40 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 38043-07 for ; Tue, 20 Jul 2004 14:51:43 +0000 (GMT) Received: from candle.pha.pa.us (candle.pha.pa.us [207.106.42.251]) by svr1.postgresql.org (Postfix) with ESMTP id 418B8D1B381 for ; Tue, 20 Jul 2004 11:51:38 -0300 (ADT) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.11.6) id i6KEpDF22164; Tue, 20 Jul 2004 10:51:13 -0400 (EDT) From: Bruce Momjian Message-Id: <200407201451.i6KEpDF22164@candle.pha.pa.us> Subject: Re: dns problem with mailing list server In-Reply-To: To: Dana Hudes Date: Tue, 20 Jul 2004 10:51:13 -0400 (EDT) Cc: PostgreSQL www X-Mailer: ELM [version 2.4ME+ PL108 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200407/85 X-Sequence-Number: 4755 CC to www list. --------------------------------------------------------------------------- Dana Hudes wrote: > Hi, > > The mail relay used for the dbdpg-general mailing list, 200.46.204.17, > does not have consistent reverse DNS entry (it does have a reverse entry). > > Specifically, while gborg.postgresql.org has address 200.46.204.176 the > reverse entry 176.204.46.200.in-addr.arpa domain name pointer > svr3.postgresql.org. > > But svr3.postgresql.org. does not have a forward entry. > > This then falls afoul of the anti-spam measures recommended in RFC2055 and > the procedures recommended at e.g. www.postfix.org (I use the postfix mail > relay). > > If someone adds a forward entry for svr3.postgresql.org resolving to > 200.46.204.176 all will be well. > > Until then my, and many other, mail relays will think mailing list traffic > is from a fraudulent host and reject the mail (albeit with a 450 status, > indicatitive of a temporary failure; potentially when the situation is > corrected the most recent mail will then be delivered). > > Thanks > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073