[Mailman-Developers] New RFC on using DKIM with MLMs

[Stephen J. Turnbull]

Patrick Ben Koetter writes:

 > Is it possible to register a prefix (namespace) such as mailman-. Anything
 > below would be mailman related. Stupid idea?

Very plausible, but I suspect there are good reasons not to allow it
in the RFC 822/1036 messaging series.  In any case, no, it's not
possible.

There is a way to do it in other namespaces though, eg, in MIME media
types you have the vnd.* space.