# 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 <
[email protected]> 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 <[email protected]>
> To: [email protected]
> Cc: Dianne Skoll <[email protected]>
> 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 <[email protected]> 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 [email protected]
>
> 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
_______________________________________________
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 [email protected]
https://lists.mimedefang.org/mailman/listinfo/mimedefang_lists.mimedefang.org
