From owner-freebsd-questions Sun Apr 19 21:49:36 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA19418 for freebsd-questions-outgoing; Sun, 19 Apr 1998 21:49:36 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from gdi.uoregon.edu (gdi.uoregon.edu [128.223.170.30]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA19353 for ; Mon, 20 Apr 1998 04:49:18 GMT (envelope-from dwhite@gdi.uoregon.edu) Received: from localhost (dwhite@localhost) by gdi.uoregon.edu (8.8.7/8.8.8) with SMTP id VAA08730; Sun, 19 Apr 1998 21:49:09 -0700 (PDT) (envelope-from dwhite@gdi.uoregon.edu) Date: Sun, 19 Apr 1998 21:49:09 -0700 (PDT) From: Doug White Reply-To: Doug White To: Ugo Paternostro cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS Cache+MX+SendMail = Host not found... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sun, 19 Apr 1998, Ugo Paternostro wrote: > Hello guys, > > I have a problem (guess it? ;-) here: my Intranet is connected to the Internet > through a machine that works as gateway (on a PPP -auto -alias link), DNS and > mail hub. All the other machines on the network (3, btw, so not so big > network...) are configured to send mail to the first one, using sendmail's > nullclient config. I thought you were supposed to use the SmartHost feature for that? > Everything works flawlessly, but one case: suppose that the DNS > maintains in its cache a record to somewhere.some.domain, with an MX > record pointing to anotherplace.some.domain, but that it has no memory > of what anotherplace.some.domain is, and you send a mail to > foo@somewhere.some.domain. That isn't the client's problem -- your smart mail host should determine this. I don't think that MX records cause address rewriting tho. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message