Quoting Daniel Abrecht (dng@???):

> This is just a test mail, please ignore. This time without MIME/PGP
> signing, because it causes mailman to add a multipart header before
> the message, which interferes with the DKIM check.

Not a complaint, just an observation. On every system where I
administer Mailman, I make a point of having a mailing list called
'test' where I and others can, when useful, send test postings
(averting the need to send those to a bunch of uninterested
subscribers).