Some mails don't break lines when they reach a certain length, which makes them a pain to read in Mutt. Mutt will wrap them, of course, when they reach the end of the window, but can I set the maximal length to something shorter than the width of the terminal window?
For mutt's internal pager, that's controlled by the
$wrap mutt variable.
to wrap at column 80.
: prompt or in
~/.muttrc or in macros).