Hi Jamie, thanks for this tip. It somehow solves the situation :)
.d. Jameson Graef Rollins <jrollins at finestructure.net> writes: > On Mon, Dec 16 2013, David Belohrad <david at belohrad.ch> wrote: >> could someone help: >> >> when I open an email, it is automatically displayed as 'text/plain'. If >> this mail has however CID attachments (pictures), they are not in this >> view displayed by default. I have to manually switch to 'text/html' to >> see those embedded pictures. >> >> I'd like to display mail by default as 'text/html'. How can I tell >> emacs notmuch to do so? > > Hi, David. It's not exactly what you're looking for, but the > notmuch-show-all-multipart/alternative-parts emacs configuration option > can be used to always display both parts by default. > > jamie.