Mail delivery of macports-changes disabled for Gmail users

[Zero King]

On Mon, Feb 25, 2019 at 08:53:12PM +0100, Rainer Müller wrote:
>Hello,
>
>if you are using Gmail or a Google hosted mail service for your domain,
>your subscription to the macports-changes mailing list was likely
>disabled on 2019-02-22 by mailman due to "excessive or fatal bounces".
>
>If you still want to receive the mailing list, but are currently not
>getting the emails, you have to take manual action. Please follow the
>link below to the mailman options. After logging in, check that the
>option "Mail delivery" is Enabled for your account.
>
>https://lists.macports.org/mailman/options/macports-changes
>
>
>The technical cause of this was an email being rejected by Google due to
>a strict DMARC policy for the From address. The way Google handled this
>was correct as this mail was in fact not originating from a source
>whitelisted by the domain owner of the From address.
>
>Although we configured all our lists on mailman exactly for this reason
>with dmarc_moderation_action="Munge From" [1], we now discovered that
>this setting is an action that only applies to mails going through the
>moderation queue. However, as posting to macports-changes is meant to be
>restricted, legitimate mails are pre-approved. As we have learned now,
>skipping the moderation unfortunately also skips the DMARC munging that
>was supposed to prevent such bounces.
>
>In order to prevent this from happening again, I would like to no longer
>sent mails with the author's address as From, but use a generic From
>address and merely the author to CC. Unless someone else comes up with a
>better idea, I will look into applying this in the next days.

CCing the author would send the email to them, right? I don't want to
receive these emails, and PR authors could be confused when receiving
these emails.

>Rainer
>
>[1] https://www.gnu.org/software/mailman/mailman-admin/sender-filters.html

-- 
Zero
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