On 2019-03-31 17:07 BST, Nick wrote: > The not so good: no marker appears until I open messages. I > had expected that my imap_headers setting would cause the marker to > appear on all the qualifying messages in the index. How can I make > that happen? Solved: close mutt, delete .hcache files under ~/.mutt/cache, reopen mutt. Thanks to kevin8t8 in freenode #mutt. -- Nick