Re: Gmail bounce unauthenticated @debian.org addresses
Hi Bastian,
On 3/4/22 14:40, Bastian Blank wrote:
> On Fri, Mar 04, 2022 at 12:38:02PM +0100, Baptiste Beauplat wrote:
>> We recently discovered that Gmail started to bounce email from
>> mentors.debian.net with the following message:
>
> Can you please share the complete headers of the bounced message? Aka
> the thing in the message/rfc822 part of the DSN message. Right now we
> don't know what they see from your explanation.
I'm attached the bounce.
Am I mistaken in thinking that's only a case of simply rejecting
unsigned DKIM email?
--
Baptiste Beauplat - lyknode
From MAILER-DAEMON Fri Mar 4 03:14:04 2022
Return-Path: <>
X-Original-To: expo+bounce@mentors.debian.net
Delivered-To: expo+bounce@mentors.debian.net
Received: by wv-debian-mentors1.wavecloud.de (Postfix)
id A6A758B5E2; Fri, 4 Mar 2022 03:14:04 +0000 (UTC)
Date: Fri, 4 Mar 2022 03:14:04 +0000 (UTC)
From: MAILER-DAEMON@mentors.debian.net (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: expo+bounce@mentors.debian.net
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary="55D16823EC.1646363644/wv-debian-mentors1.wavecloud.de"
Content-Transfer-Encoding: 8bit
Message-Id: <20220304031404.A6A758B5E2@wv-debian-mentors1.wavecloud.de>
This is a MIME-encapsulated message.
--55D16823EC.1646363644/wv-debian-mentors1.wavecloud.de
Content-Description: Notification
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
This is the mail system at host wv-debian-mentors1.wavecloud.de.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<**********@gmail.com>: host gmail-smtp-in.l.google.com[172.253.120.26] said:
550-5.7.26 This message does not have authentication information or fails
to 550-5.7.26 pass authentication checks. To best protect our users from
spam, the 550-5.7.26 message has been blocked. Please visit 550-5.7.26
https://support.google.com/mail/answer/81126#authentication for more 550
5.7.26 information. ay16-20020a5d6f10000000b001efd7e8dbb9si2037544wrb.218 -
gsmtp (in reply to end of DATA command)
--55D16823EC.1646363644/wv-debian-mentors1.wavecloud.de
Content-Description: Delivery report
Content-Type: message/delivery-status
Reporting-MTA: dns; wv-debian-mentors1.wavecloud.de
X-Postfix-Queue-ID: 55D16823EC
X-Postfix-Sender: rfc822; expo+bounce@mentors.debian.net
Arrival-Date: Fri, 4 Mar 2022 03:14:03 +0000 (UTC)
Final-Recipient: rfc822; **********@gmail.com
Original-Recipient: rfc822;**********@gmail.com
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 This message does not have authentication
information or fails to 550-5.7.26 pass authentication checks. To best
protect our users from spam, the 550-5.7.26 message has been blocked.
Please visit 550-5.7.26
https://support.google.com/mail/answer/81126#authentication for more 550
5.7.26 information. ay16-20020a5d6f10000000b001efd7e8dbb9si2037544wrb.218 -
gsmtp
--55D16823EC.1646363644/wv-debian-mentors1.wavecloud.de
Content-Description: Undelivered Message
Content-Type: message/rfc822
Content-Transfer-Encoding: 8bit
Return-Path: <expo+bounce@mentors.debian.net>
Received: from mentors.debian.net (localhost [127.0.0.1])
by wv-debian-mentors1.wavecloud.de (Postfix) with ESMTP id 55D16823EC
for <**********@gmail.com>; Fri, 4 Mar 2022 03:14:03 +0000 (UTC)
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: Next step: Confirm your email address
From: mentors.debian.net <support@mentors.debian.net>
To: **********@gmail.com
Date: Fri, 04 Mar 2022 03:14:03 -0000
Message-ID: <164636364329.4074035.11224505717463252630@mentors.debian.net>
Hello,
Please activate your account by visiting the following address
in your web-browser:
https://mentors.debian.net/accounts/reset/[REDACTED]
If you didn't create an account on mentors.debian.net,
you can safely ignore this email.
Thanks,
--
mentors.debian.net
--55D16823EC.1646363644/wv-debian-mentors1.wavecloud.de--
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