Re: mail @example.com without dns a-record for example.com

Salvador Mirzo  wrote:

The objective here is just learning how things work.  I asked

You might want to read the fine RFCs, e.g., RFC 5321
5.1.  Locating the Target Host
....
   The lookup first attempts to locate an MX record associated with the
   name. [[...]]

myself---is it possible to get mail sent to someone@example.com without
an a-record fore example.com?  I think the answer should be ``yes''

Correct.

But after the deletion of the a-record example.com, I noticed Gmail

Since you haven't given real data it's hard to say what you did
wrong. Maybe your MX record is incorrect or hasn't propagated yet.

--
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