[Mailman-Users] dangers of using subject_prefix with new DMARC problems
matt at numenta.org
Tue Sep 9 18:47:59 CEST 2014
I'm a Mailman administrator for the lists at http://numenta.org/lists.
Recently, we had DMARC problems with Google servers, and my provider
(EMWD) gave me the following actions to take:
We ended up moving the lists to a VPS with the new settings.
Many of our users are upset that I've removed the subject_prefix from
the list emails, but I'm afraid that putting them back in might cause
the same problems, given the advice from EMWD in the link above:
"2. Turn off Content filtering, and Reply-To: header munging and
remove subject_prefix, msg_header and msg_footer so Mailman doesn't
make message modifications that break Yahoo's DKIM signature."
Is it safe to add back the subject_prefix to my lists?
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