From owner-freebsd-isp Tue Jun 13 8:24:56 2000 Delivered-To: freebsd-isp@freebsd.org Received: from buffnet4.buffnet.net (buffnet4.buffnet.net [205.246.19.13]) by hub.freebsd.org (Postfix) with ESMTP id 43CB537BF1D for ; Tue, 13 Jun 2000 08:24:49 -0700 (PDT) (envelope-from shovey@buffnet.net) Received: from buffnet11.buffnet.net (buffnet11.buffnet.net [205.246.19.55]) by buffnet4.buffnet.net (8.9.3/8.8.7) with ESMTP id LAA54183; Tue, 13 Jun 2000 11:24:36 -0400 (EDT) (envelope-from shovey@buffnet.net) Date: Tue, 13 Jun 2000 11:24:29 -0400 (EDT) From: Steve Hovey To: Peter Lockhart Cc: isp@FreeBSD.ORG Subject: Re: A records on mail domain In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org The key here is that if you do not have proper in-addr.arpa etc you are likely a spammer. On Tue, 13 Jun 2000, Peter Lockhart wrote: > I am having problems with certain ISP mailservers rejecting my mail > because : > > 550 5.7.1 Invalid host: > key.co.za - authoritative host not found: > > The mail adminstrators say they have configured their mail servers as such > and that all domains must have valid forward and reverse lookups. > So they've said to "add an A record anyway to the mail domain" > > They claim its an RFC requirement. > > To my mind , the servers should do an MX lookup and do the A record > lookups on that host. > > Is there any such RFC compliance requirement ? > > Cheers > Peter Lockhart > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message