Marius Hofert <marius.hofert@math.ethz.ch> writes:

> Sometimes, email addresses on websites are links, which, when clicked,
> open a new email (with corresponding address) in the default email
> program. I figured out that Firefox has a setting (Preferences ->
> Applications -> mailto) but how can I set it to open a new email in
> Gnus?

You need a script and set Firefox's mailto handler to use it. For
example:

#!/bin/sh
mailaddr="`echo $1 | cut -d : -f 2`"
emacsclient -n --eval "(compose-mail-other-frame \"$mailaddr\" \"$2\")"

Charles

-- 
"I once witnessed a long-winded, month-long flamewar over the use of
mice vs. trackballs...It was very silly."
(By Matt Welsh)