June 2018
Intermediate to advanced
368 pages
11h 1m
English
Email delivery and email forwarding are outside the actual DNS protocol once the MTAs have used DNS to determine where to attempt delivery on a given message.
We mention email forwarders here because, when working with DNS and domain names, this often ends up being your problem. Many registrars, web-hosting providers, and DNS operators provide email forwarding and backup spooling as part of the overall service.
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