Re: gcc-patches From rewriting mailman settings (Was: [Linaro-TCWG-CI] gcc patch #75674: FAIL: 68 regressions)

[Thomas Schwinge <thomas@codesourcery.com>]

Hi Mark!

On 2023-09-13T17:02:05+0100, Iain Sandoe <idsandoe@googlemail.com> wrote:
>> On 12 Sep 2023, at 16:00, Mark Wielaard <mark@klomp.org> wrote:
>> Adding Jeff to CC who is the official gcc-patches mailinglist admin.
>>
>> On Tue, 2023-09-12 at 11:08 +0400, Maxim Kuvyrkov wrote:
>>> Normally, notifications from Linaro TCWG precommit CI are sent only to
>>> patch author and patch submitter.  In this case the sender was rewritten
>>> to "Benjamin Priour via Gcc-patches <gcc-patches@gcc.gnu.org>",
>>> which was detected by Patchwork [1] as patch submitter.
>>
>> BTW. Really looking forward to your talk at Cauldron about this!

(Yes!)

>>> Is "From:" re-write on gcc-patches@ mailing list a side-effect of [2]?
>>> I see that some, but not all messages to gcc-patches@ have their
>>> "From:" re-written.
>>>
>>> Also, do you know if re-write of "From:" on gcc-patches@ is expected?
>>
>> Yes, it is expected for emails that come from domains with a dmarc
>> policy. That is because the current settings of the gcc-patches
>> mailinglist might slightly alter the message or headers in a way that
>> invalidates the DKIM signature. Without From rewriting those messages
>> would be bounced by recipients that check the dmarc policy/dkim
>> signature.
>>
>> As you noticed the glibc hackers have recently worked together with the
>> sourceware overseers to upgrade mailman and alter the postfix and the
>> libc-alpha mailinglist setting so it doesn't require From rewriting
>> anymore (the message and header aren't altered anymore to invalidate
>> the DKIM signatures).
>>
>> We (Jeff or anyone else with mailman admin privs) could use the same
>> settings for gcc-patches. The settings that need to be set are in that
>> bug:
>>
>> - subject_prefix (general): (empty)
>> - from_is_list (general): No
>> - anonymous_list (general): No
>> - first_strip_reply_to (general): No
>> - reply_goes_to_list (general): Poster
>> - reply_to_address (general): (empty)
>> - include_sender_header (general): No
>> - drop_cc (general): No
>> - msg_header (nondigest): (empty)
>> - msg_footer (nondigest): (empty)
>> - scrub_nondigest (nondigest): No
>> - dmarc_moderation_action (privacy): Accept
>> - filter_content (contentfilter): No
>>
>> The only visible change (apart from no more From rewriting) is that
>> HTML multi-parts aren't scrubbed anymore (that would be a message
>> altering issue). The html part is still scrubbed from the
>> inbox.sourceware.org archive, so b4 works just fine. But I don't know
>> what patchwork.sourceware.org does with HTML attachements. Of course
>> people really shouldn't sent HTML attachments to gcc-patches, so maybe
>> this is no real problem.
>>
>> Let me know if you want Jeff (or me or one of the other overseers) make
>> the above changes to the gcc-patches mailman settings.
>
> yes, please!

Yes, please!  For all mailing lists, globally.


Grüße
 Thomas
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