dirmngr is now an optional component.
most uses of apt-key do not require dirmngr.
if you want dirmngr (ie. fetching keys from remote key servers) please install dirmngr package.
By default it is a recommends and should be pulled in on most installations.
Maybe enigmail package should add dirmngr as dependency, if it is expected functionaly for those users.
dirmngr is now an optional component.
most uses of apt-key do not require dirmngr.
if you want dirmngr (ie. fetching keys from remote key servers) please install dirmngr package.
By default it is a recommends and should be pulled in on most installations.
Maybe enigmail package should add dirmngr as dependency, if it is expected functionaly for those users.