Date: Sun, 19 Apr 1998 21:49:09 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: Ugo Paternostro <paterno@dsi.UNIFI.IT> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS Cache+MX+SendMail = Host not found... Message-ID: <Pine.BSF.3.96.980419214813.8564M-100000@gdi.uoregon.edu> In-Reply-To: <XFMail.980419153433.paterno@dsi.unifi.it>
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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
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