let s:notmuch_rb_date_format_default = '%d.%m.%y'
let s:notmuch_rb_datetime_format_default = '%d.%m.%y %H:%M:%S'
-let s:notmuch_rb_reader_default = 'xfce4-terminal -e "mutt -f %s"'
+let s:notmuch_rb_reader_default = 'mutt -f %s'
let s:notmuch_rb_sendmail_default = 'sendmail'
let s:notmuch_rb_folders_count_threads_default = 0