On Wed, Sep 15, 2021 at 10:50:59PM -0700, Shal Farley wrote:
Normal group messages, where the header From has the posting member's domainFor the record, it would be easy for groups.io to provide an option to be
DMARC-compliant, at least for DKIM-signed messages:
- don't modify signed headers (Subject, for example)
- don't modify the message body (e.g. don't append "Groups.io Links")
That's all it takes.
Setting a DMARC record for groups.io won't impact these messages anyway.If you have any specific objections to turning on DMARC, please let meThe only concern that comes to mind is that this could be another step down