pub fn copies_of(
dirs: &Dirs,
message_id: &str,
) -> Result<Vec<(Place, Role)>, LearnError>Expand description
Where a message is kept in the corpus, by its Message-ID (bare, as the
label log writes it): each copy’s place and its folder’s role, account
after account. For a label said of a message no longer stored here
(sioul spam label mid:…): its place on the server is what the label
log names it by.