Added: A time-based threshold for bounce removal for mailing lists.
Added: App Password for LDAP authentication.
Added: Authenticated Received Chain (ARC) Verification and Signing.
Added: New "Certificates" logging to store ACME SSL validation checks.
Changed: "Bypass certificate validation checks (Dangerous)" is now "Enforce strict certificate validation" and is disabled on new installations.
Changed: Adjusted styling of the Mailing List Opt-In page to match other public pages.
Changed: CSRs for Organization and Organizational Unit only allow letters A-Z, numbers 0-9, spaces and periods.
Changed: Logout redirect configuration was updated to remove redundant settings.
Changed: Updated DMARC's public suffixes file to include 'onmicrosoft.com' and 'onmicrosoft.us'.
Removed: The Domain column from the Gateway grid.
Fixed: A meeting response email in Outlook (MAPI) does not accurately reflect the number of attendees who has accepted, tentatively accepted or declined the invitation.
Fixed: After recycling Two-Step Authentication (2FA) App Passwords, they are held in cache for varying times.
Fixed: An issue where the email compose window doesn't reflect the user's font and size selections.
Fixed: Appointments in Outlook (MAPI) do not correctly show attendee responses on the Tracking tab of Outlook.
Fixed: Autocomplete list is not populating correctly in certain scenarios.
Fixed: Back end issue where "Get Available Times" for Scheduling could loop endlessly.
Fixed: Block Authentication by country is not working properly.
Fixed: Card spacing issue on Gateways page.
Fixed: Changing to another protocol on Manage > User Connections in mobile view makes the header unreadable.
Fixed: Clicking the Opt-In link in a list subscribe email results in an unfriendly error.
Fixed: Corrupt auth-token file can prevent system administrators from logging in.
Fixed: DKIM fails if SmarterMail touches/alters a message.
Fixed: Editing a user account occasionally shows "Cannot read properties of null" error.
Fixed: Editing the Domain Size Limit Exceeded system message doesn't actually change the message.
Fixed: In mobile view, the MAPI & EWS tabs for IP Connections and User Connections show up as "MAPI & EWS".
Fixed: Occasionally, removing and re-adding a system administrator causes that login to fail.
Fixed: Rare occurrence where administrators can no longer view a user's calendar when impersonating the user.
Fixed: Sent mail from clients that use full mime [Windows Mail] to send was not including the Bcc in the senders sent items folder.
Fixed: Signature is not properly selected when replying when "Use to address for replies" is enabled.
Fixed: SmarterMail DKIM key selectors may not be compatible with BIND based DNS environments.
Fixed: Some legacy SOAP calls aren't working properly with System Administrator IP Restrictions.
Fixed: Some Outlook (MAPI) users see messages occasionally stuck in the Outbox folder.
Fixed: System-level password requirements are not being forced on new domain/domain administrator creation.
Fixed: Unable to Export a contact group to CSV or vCard.
Fixed: Unique occurrence where user accounts randomly switch to "Failed to Load" status.
Fixed: User Connections summary for XMPP is not displaying any connections.
Fixed: Using the Delete action on a card in File Storage throws a "no card selected" toast.
Fixed: Webmail allows modifying an occurrence to occur at the same time as another occurrence from the same series.
Fixed: When a calendar invitation is sent over Outlook (SMTP) to a mailing list address, the local users / subscribers who receive the email see no content in webmail.
Fixed: When a Contact Group contains no members, it appears in the autocomplete list when it shouldn't.
Fixed: When a meeting invitation is sent via webmail, Outlook (MAPI) shows "You haven't sent this meeting invitation yet.", even after attendees have received and responded.
Fixed: When adding a Port, it's possible to use a decimal for the port number.
Fixed: When dragging/dropping a meeting invitation response email in Outlook (MAPI), the compose window opens.
Fixed: When generating Automatic Certificates past 999 the UI showing the total disappears.
Fixed: When logging in using LDAP on an account with Two-Step authentication, that login fails as there's no app password.
Fixed: When viewing a calendar appointment, the View Availability window includes local alias and mailing list addresses, despite availability not being associated with those Resources.
Translations: Updated Chinese (Taiwan) translation file.
