Re: Does GMail consider itself "low reputation"?

I hope you can fix this issue, but I'm not optimistic.  I have had my
personal domain hosted via Google Workspaces (or whatever they are calling
it today) for over a decade and my neighbor across the street has been
unable to reliably receive email from me to his Gmail account the entire
time, despite other folks on the same email not having that issue.

If you are able to find a reasonable solution, I'd love to hear it.

—jon


On Fri, Jul 19, 2024 at 7:08 AM Erik Huelsmann <[email protected]> wrote:

> Hi,
>
> In the mail server logs, I found:
>
> 2024-07-19 10:39:16 1sUl13-00EJCh-1P ** [email protected] R=outbound
> T=remote_smtp H=gmail-smtp-in.l.google.com [2a00:1450:400c:c04::1a]
> X=TLS1.3:ECDHE_X25519__ECDSA_SECP256R1_SHA256__AES_256_GCM:256 CV=yes: SMTP
> error from remote mail server after end of data: 550-5.7.1
> [2a01:4f8:160:83c4::8      19] Gmail has detected that this message
> is\n550-5.7.1 likely suspicious due to the very low reputation of the
> sending\n550-5.7.1 domain. To best protect our users from spam, the message
> has been\n550-5.7.1 blocked. For more information, go to\n550 5.7.1
> https://support.google.com/mail/answer/188131
> ffacd0b85a97d-368786b3865si463916f8f.529 - gsmtp
>
> This is from sending my prior mail from a GMail account. The "
> common-lisp.net" domain has a High (=highest) domain reputation and the
> IP reputation is not published, but also not referred to. So I can nothing
> but conclude this must be the @gmail.com address that I'm sending from
> that's triggering this response?
>
> How can I fight this?!
>
> --
> Bye,
>
> Erik.
>
> http://efficito.com -- Hosted accounting and ERP.
> Robust and Flexible. No vendor lock-in.
>