On 4/6/20 11:51 AM, Robert Bridge wrote: > > It is still commonly considered good practice to have a secondary MX server.
[citation needed] > Why trust another party to correctly handle your email when your main system > is offline? You're still trusting the sender to do the right thing with a backup MX. Only now you're trusting them to follow the part of the spec that talks about backup MX records, rather than the part that talks about retries.
