Sterna Mail 1.4.9

Deleting mail - Before emptying a folder or destroying mail, Sterna asks the server where those messages are now, and leaves out anything that has moved in the meantime (JMAP). When the answer does not come, it gives up rather than guessing. - On IMAP, a delete that cannot confirm the server's message numbering is refused instead of risked, so it cannot fall on the wrong message. - Accounts with hundreds of folders no longer run into a database limit when cached folders are purged. - Bulk actio