On Mon, Apr 06, 2020 at 05:24:03PM +0200, J. Roeleveld wrote: > You'd need to install a SMTP server on the backup system and configure it to > relay emails to your primary mailserver. > > In the DNS you can configure priorities in the MX entries.
Hi, cheers for your response, however as Michael pointed out, such a server would be unnecessary. I wasn't aware of the S.M.T.P.\ standard which mandates M.T.A.s retry for four or five days, and given that my server won't be down for longer than a few minutes, I think I'm going to stick with a single MX. -- Ashley Dixon suugaku.co.uk 2A9A 4117 DA96 D18A 8A7B B0D2 A30E BF25 F290 A8AA
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