Date: Wed, 26 Nov 1997 10:14:05 -0800 (PST) From: Ulf Zimmermann <ulf@Alameda.net> To: travis@campbellsci.com (Gary Travis Roberts) Cc: freebsd-isp@FreeBSD.ORG Subject: Re: What happens if? Message-ID: <199711261814.KAA18501@Gatekeeper.Alameda.net> In-Reply-To: <19971126144003735.AAA238@GADIANTON.campbellsci.com> from Gary Travis Roberts at "Nov 26, 97 07:42:36 am"
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> Sorry, This is a little off the subject. > We had an interesting experience here this last Monday when our > service provider's (the one that provides our connection to the > Internet backbone) router failed. When this happened our domain was > essentially unreachable. My question to the group is. What happens > to E-mail in this situation. We have a few theorys here, but have > never read anything that explicitly states that these are fact. > Anyone know for sure what is going on with E-mail for servers that > are unreachable? Is there such a thing as lost E-mail? > We currently are using Netscape Mail Server and NT but have since > grown wiser and are now in the process of moving our systems to Free > BSD. Thanks for your help. > > G. Travis Roberts KC7HHK > MIS Software Engineer / Assistant Network Administrator > Campbell Scientific, Inc. If people trying to send you email, have a good smtp, they will spool the email. But they might see warnings with "Domain not found" messages. I would always recommend to have an offsite secondary DNS server, for best not even in the same network as your upstream. You also should then see to have a backup MX record, which will only used, if everything else is down. Ulf. --------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073
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