[Mimedefang] IMPORTANT MIMEDefang List Moved to lists.mimedefang.org

Joseph Brennan brennan at columbia.edu
Fri May 28 14:53:34 EDT 2021


        # Mailman always changes messages enough to break DKIM, so if


        # there are DKIM headers in a message we must remove them.


        if ($RelayHostname =~ /(mailmanprod01\.cc\.columbia\.edu/) {

            action_delete_header('DKIM-Signature');

            action_delete_header('DomainKey-Signature');

            action_delete_header('X-Google-DKIM-Signature');


Note... The Mailman host shown there no longer exists.







On Fri, May 28, 2021 at 2:13 PM Dianne Skoll via MIMEDefang <
mimedefang at lists.mimedefang.org> wrote:

> Original Message Attached ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍
> ‍ ZjQcmQRYFpfptBannerStart
> This Message Is From an External Sender
> This message came from outside your organization.
> ZjQcmQRYFpfptBannerEnd
>
>
> Original Message Attached
>
>
>
> ---------- Forwarded message ----------
> From: Dianne Skoll via MIMEDefang <mimedefang at lists.mimedefang.org>
> To: mimedefang at lists.mimedefang.org
> Cc: Dianne Skoll <dianne at skoll.ca>
> Bcc:
> Date: Fri, 28 May 2021 14:12:36 -0400
> Subject: Re: [Mimedefang] IMPORTANT MIMEDefang List Moved to
> lists.mimedefang.org
> On Fri, 28 May 2021 14:07:54 -0400
> Bill Cole via MIMEDefang <mimedefang at lists.mimedefang.org> wrote:
>
> > It would not be simple to not break incoming DKIM signatures and
> > retain desired functionality of the mailing list.
>
> You could delete all DKIM-Signature: headers before feeding the
> incoming email to Mailman.
>
> Regards,
>
> Dianne.
>
>
>
> _______________________________________________
> NOTE: If there is a disclaimer or other legal boilerplate in the above
> message, it is NULL AND VOID.  You may ignore it.
>
> MIMEDefang mailing list MIMEDefang at lists.mimedefang.org
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.mimedefang.org_mailman_listinfo_mimedefang-5Flists.mimedefang.org&d=DwICAg&c=009klHSCxuh5AI1vNQzSO0KGjl4nbi2Q0M1QLJX9BeE&r=ZxkJnEk7djUruVXXQ1YhtyPk0yO9wbHUi6rXFRThw2k&m=wWEIruKLt5D-wlXb7uOgkeiLkLqRTNIO8yRWsA4Dtyw&s=BgWp56R1C5ErLMHv2hkaQjk08OGpfOBpweyfOmWK_nE&e=
>


-- 
Joseph Brennan
Lead, Email and Systems Applications
Columbia University Information Technology
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