Am 16.02.19 um 02:09 schrieb Bzzzz: > https://www.horde.org/apps/webmail says IMAP folder can be shared, however, I do not see any option to do so into 5.2.17, is it a feature for the latest Horde version only or am I missing something? Your IMAP have to support sharing. *Than* it will be usable via horde/webmail, too Andreas