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

From Salvador Mirzo <smirzo@example.com>
Newsgroups comp.mail.misc
Subject Re: mail @example.com without dns a-record for example.com
Date 2024-12-23 10:18 -0300
Organization A noiseless patient Spider
Message-ID <8734iezge5.fsf@example.com> (permalink)
References <878qs7wvmy.fsf@example.com> <vk9hsb$j0f$1@news.misty.com>

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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.

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Thread

mail @example.com without dns a-record for example.com Salvador Mirzo <smirzo@example.com> - 2024-12-22 13:05 -0300
  Re: mail @example.com without dns a-record for example.com Grant Taylor <gtaylor@tnetconsulting.net> - 2024-12-22 10:36 -0600
  Re: mail @example.com without dns a-record for example.com Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> - 2024-12-22 12:22 -0500
    Re: mail @example.com without dns a-record for example.com Salvador Mirzo <smirzo@example.com> - 2024-12-23 10:18 -0300
  Re: mail @example.com without dns a-record for example.com kalevi@kolttonen.fi (Kalevi Kolttonen) - 2024-12-22 18:07 +0000
    Re: mail @example.com without dns a-record for example.com Grant Taylor <gtaylor@tnetconsulting.net> - 2024-12-22 22:07 -0600
      Re: mail @example.com without dns a-record for example.com Salvador Mirzo <smirzo@example.com> - 2024-12-23 10:23 -0300
  Re: mail @example.com without dns a-record for example.com John Levine <johnl@taugh.com> - 2024-12-22 21:00 +0000
    Re: mail @example.com without dns a-record for example.com Salvador Mirzo <smirzo@example.com> - 2024-12-23 10:08 -0300
      Re: mail @example.com without dns a-record for example.com Salvador Mirzo <smirzo@example.com> - 2024-12-23 22:01 -0300

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