[Discuss] DNS issues with Blu server

[rajiv at alum.mit.edu (Rajiv Aaron Manglani)]

https://www.learndmarc.com is a fun site to use to debug DMARC issues. Try taking their quiz.


On Wed, Feb 12, 2025, at 2:43 PM, Derek Atkins wrote:
> The secondary has not updated so is still serving the old data.  That's 
> probably the reason.
> -derek
> Sent using my mobile device. Please excuse any typos.
> On February 12, 2025 14:26:38 Jerry Feldman <gaf.linux at gmail.com> wrote:
>
>> Since we moved the server we have had some intermittent errors mainly at
>> our host.
>>
>> But, more importantly email to Gmail accounts has had SPF and DKIM issues:
>> Feb 11 08:51:55 driftwood postfix/smtp[21605]: F2E833004ADF: to=<
>> xxxx at gmail.com>, relay=gmail-smtp-in.l.google.com[172.253.122.26]:25,
>> delay=0.51, delays=0.02/0.03/0.15/0.31, dsn=5.7.26, status=bounced (host
>> gmail-smtp-in.l.google.com[172.253.122.26] said: 550-5.7.26 Your email has
>> been blocked because the sender is unauthenticated. 550-5.7.26 Gmail
>> requires all senders to authenticate with either SPF or DKIM. 550-5.7.26
>> 550-5.7.26  Authentication results: 550-5.7.26  DKIM = did not pass
>> 550-5.7.26  SPF [lists.blu.org] with ip: [131.226.247.88] = did not pass
>> 550-5.7.26  550-5.7.26  For instructions on setting up authentication, go
>> to 550 5.7.26  https://support.google.com/mail/answer/81126#authentication
>> d75a77b69052e-4717d78d49dsi65723331cf.194 - gsmtp (in reply to end of DATA
>> command))
>> Feb 11 08:51:55 driftwood postfix/cleanup[21545]: 868823004AA9: message-id=<
>> 20250211135155.868823004AA9 at driftwood.blu.org>
>>
>> we do have SPF and DKIM setup in our zone files. If anyone can help me with
>> this, I would appreciate it.
>> --
>> Jerry Feldman <gaf.linux at gmail.com>
>> Boston Linux and Unix http://www.blu.org