If mailbox is changed while syncing is being done, and the second sync's changes aren't fully sent to the client, we hanged (quite rare I think).
If mailbox is changed while syncing is being done, and the second sync's
changes aren't fully sent to the client, we hanged (quite rare I think).

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot