On 22 May 2016, at 00:08, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: >> o Configuring the MLM to "wrap" the message in a MIME message/rfc822 >> part and to send as the Mailing List email address. Many email >> clients (as of the publication of this document), especially >> mobile clients, have difficulty reading such messages and this is >> not expected to change soon. > > This seems like a quite elegant solution. I'm very surprised by the second > sentence - are these clients that have difficulty with many Content-Types > or is it a specific issue for message/rfc822? Only message/rfc822. E.g. it took iOS a couple of years to start supporting it properly. And it is one of the better mobile email clients.