Thru Server 9.4.1 Release Notes April 22 2017
PER-MESSAGE PASSWORD AND WHITELIST FLOW IMPROVEMENTS
New policy/checkbox in Message options to enforce per-message passwords.
This option available only when Request recipient login option is set to Never.
If email is sent to a mixed recipient list where some recipients are on the whitelist and other are not, password will be requested if enforced.
If email is sent to a recipient list where all recipients are on the whitelist, password will not be requested even if enforced policy is enabled.
UI BEHAVIOR ON LANDING IN NEW EMAIL
If landing destination is New Email section, file tree is displayed in a collapsed state.
PERFORMANCE IMPROVEMENTS
Performance improvements in a file system navigation