[Chat] DKIM signatures

Simon Lyall simon at darkmere.gen.nz
Tue Jan 3 13:19:49 AEDT 2017


On Tue, 3 Jan 2017, Russell Coker wrote:
> On Tuesday, 3 January 2017 7:17:07 AM AEDT Scott Bragg wrote:
>> The Admin team just restarted mailman and added the REMOVE_DKIM_HEADERS
>> = Yes line to the config.
>>
>> As such I've turned off the "Munge From" and "from_as_list" options that
>> someone was complaining about. So keep an eye on your list traffic and
>> I'll keep an eye on the bounces.
>
> Removing DKIM headers on it's own does nothing for systems that use DMARC etc.
> All it does is permit the previous change (that you have now reverted) to work
> correctly.

On another list (full of email admins) I followed advice on the following 
page:

https://wiki.list.org/DEV/DMARC

Which was to only turn on "Munge From" for "dmarc_moderation_action" 
rather than everybody.

This seems to work okay and means (a) everybody gets email and (b) only 
people with DMARC get their from address changed.

Simon.

-- 
Simon Lyall  |  Very Busy  |  Web: http://www.simonlyall.com/
"To stay awake all night adds a day to your life" - Stilgar



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