From owner-freebsd-isp Wed Sep 5 19:40:29 2001 Delivered-To: freebsd-isp@freebsd.org Received: from ns.morning.ru (ns.morning.ru [195.161.98.5]) by hub.freebsd.org (Postfix) with ESMTP id 0B0FE37B405; Wed, 5 Sep 2001 19:40:22 -0700 (PDT) Received: from NDNM ([195.161.98.250]) by ns.morning.ru (8.11.5/8.11.5) with ESMTP id f862eKY79830; Thu, 6 Sep 2001 10:40:20 +0800 (KRAST) Date: Thu, 6 Sep 2001 10:40:39 +0800 From: Igor Podlesny X-Mailer: The Bat! (v1.52 Beta/7) UNREG / CD5BF9353B3B7091 Organization: Morning Network X-Priority: 3 (Normal) Message-ID: <8264494448.20010906104039@morning.ru> To: Gregory Neil Shapiro Cc: freebsd-isp@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re[2]: auto relaying for subdomains -- why? In-Reply-To: <15254.22980.843972.348805@horsey.gshapiro.net> References: <16615694707.20010905210719@morning.ru> <15254.22980.843972.348805@horsey.gshapiro.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org poige>> I noticed that some mailers (sendmail, postfix) in case they allow poige>> relaying for somedomain.zone also allow relaying for poige>> subdomain-of.somedomain.zone. poige>> I can accept this as reasonable behavior but would like to know how to poige>> deny it! :) Also I wish to know what was the actual idea behind this? >>From /usr/share/sendmail/cf/README: > +----------+ > | FEATURES | > +----------+ > .... > Available features are: > .... > relay_hosts_only > By default, names that are listed as RELAY in the access > db and class {R} are domain names, not host names. > For example, if you specify ``foo.com'', then mail to or > from foo.com, abc.foo.com, or a.very.deep.domain.foo.com > will all be accepted for relaying. This feature changes > the behaviour to lookup individual host names only. Yes, I saw this info here: http://www.sendmail.org/m4/features.html#relay_mail_from but most valuable part of my question was about the purpose or the idea behind this, cause it's not too clear to me why allowing relaying for domain FOO.BAR should allow relaying for SUB.FOO.BAR? I mentioned RFCs because I had a hope to find out the answer from it but still haven't yet... -- Igor mailto:poige@morning.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message