SMTP Periodic downtime support?

In article <x7lneyicxy.fsf@renard.watching.org>,
James R Grinter <jrg@blodwen.demon.co.uk> wrote:
>Look for the mini-paper 'backup MXs considered harmful', written (I
>think) by Tim Goodwin, which covers a lot of the points.

    http://www.star.le.ac.uk/~tjg/mail/fallback.html

Comments, as always, are welcome.

Tim.
--
Tim Goodwin       | "The FSF likes to write programs that require twice as much
Univ of Leicester | memory as your machine has today :-) ." -- Steve Summit

Original headers:

From: tjg@ltpcg.star.le.ac.uk (Tim J Goodwin)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: SMTP Periodic downtime support?
Date: 11 May 1999 13:32:09 +0100
Organization: University of Leicester, UK
Message-ID: <7h9809$p6b$1@ltpcg.star.le.ac.uk>
References: <7gsqje$q46@newsops.execpc.com>
  <inmY2.466$jw4.33999@burlma1-snr2> <7gvntm$89c@newsops.execpc.com>
  <x7lneyicxy.fsf@renard.watching.org>