Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Salvador Mirzo <smirzo@example.com>
Newsgroups: comp.mail.misc
Subject: Re: mail @example.com without dns a-record for example.com
Date: Mon, 23 Dec 2024 10:18:58 -0300
Organization: A noiseless patient Spider
Lines: 27
Message-ID: <8734iezge5.fsf@example.com>
References: <878qs7wvmy.fsf@example.com> <vk9hsb$j0f$1@news.misty.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 23 Dec 2024 14:18:59 +0100 (CET)
Injection-Info: dont-email.me; posting-host="d2b4fef8c65ef16b29d587cb7006c018"; logging-data="1292383"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18pVx58mcbHTRctjwiSdoSrDfCgZdgz3oY="
Cancel-Lock: sha1:EJ7UdV4N7+humY4e2btOfXnf7cM= sha1:KDD+ufTPkb4hmr6CsCzSqBwEJBo=
Xref: csiph.com comp.mail.misc:1209

Claus Aßmann
<INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org>
writes:

> 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. [[...]]

Thank you so much for the reference.

>> 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.

I was likely confused---I updated you all in a follow-up to John Levine.