On Tue, Aug 30, 2022 at 09:17:44PM +0200, Tobias Fiebig wrote: > Heho, > > The important part is not 'not adding an additional signature' but > 'not breaking the previous signature'. As long as you do not fiddle > with anything in there, things will be fine; But, as you most likely > do (think: Adding a prefix for the subject like [LISTNAME]), DKIM > will be an issue (mostly, if there is DMARC in play as well). >
Thank you. I'm using the mlmmj port to manage the lists. By default it doesn't modify the headers or the body so the DKIM signature is still valid.
