Hi Mark,

> On 12 Sep 2023, at 16:00, Mark Wielaard <m...@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!
> 
>> 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!
Iain

> 
> Cheers,
> 
> Mark
> 
>> [1] https://patchwork.sourceware.org/project/gcc/list/
>> [2] https://sourceware.org/bugzilla/show_bug.cgi?id=29713
> 

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