Hi, I also experienced that thunderbird behavior, I guess
> [...] > > When I move a message to Archive in Thunderbird. On the server the > files What exactly means move? Like drag and drop or via context menu "archive/archivieren"? > .Archives and .Archives.2018 are created (Thunderbird creates a > subfolder in Archives) > > How is this possible? On the server there is already an .Archive > folder > so it should create .Archive.2018 not? I think this is intended. At least all my clients (thunderbird) do this. I think mozilla hoped to improve performance on big mailboxes by simply sorting archived mails by the mail's year. > > [...] > -M i...@awib.it