On Thu, Dec 17, 2020 at 1:54 PM Grant Taylor via mailop <mailop@mailop.org> wrote:
> > > Mail servers are online all the time, > > Are they? > > Can you /guarantee/ that your mail servers are accessible between three > (~9 hours a year) and four nines (~1 hour a year)? > > If this is really an issue, why don't we have backup A records as well? My website is just as important as my MXes, yet I do just fine without A record priorities... I agree with John, MX record priorities are an unneeded relic. Mark
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