.muttrc

set mbox_type=Maildir
set folder="~/Maildir"
set mask="^\\."
set mbox="~/Maildir"
set record="+.Sent"
set postponed="+.Drafts"
set spoolfile="~/Maildir"

mailboxes ! + `\
 for file in ~/Maildir/.*; do \
   box=$(basename "$file"); \
   if [ "$box" != '.' -a "$box" != '..' -a "$box" != '.customflags' -a "$box" != '.subscriptions' ]; then \
     echo -n "\"+$box\" "; \
   fi; \
 done \
`

macro index c "<change-folder>?<toggle-mailboxes>" "open a different folder"
macro pager c "<change-folder>?<toggle-mailboxes>" "open a different folder"

macro index C "<copy-message>?<toggle-mailboxes>" "copy a message to a mailbox"
macro index M "<save-message>?<toggle-mailboxes>" "move a message to a mailbox"

bind index <Up>   previous-entry
bind index <Down> next-entry

bind pager <Up>   previous-line
bind pager <Down> next-line