--- a/.muttrc
+++ b/.muttrc
@@ -103,6 +103,7 @@ set wrap = 100
set reflow_wrap = 100
set markers = no
set collapse_unread = no
+set collapse_all = yes
set date_format = "%m-%d %H:%M"
set index_format = "%3C %Z %D %-25.25F %?M?〰& ?%s%?M?%* (%M hidden)?"