INFO: Known issues for SEG 10.0

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This article applies to:

  • Trustwave MailMarshal (SEG) 10.0


  • What are the known issues and limitations for MailMarshal (SEG) 10.0?


In the initial release of MailMarshal (SEG) 10.0 some functionality is not available. Many of these items are planned to be improved or implemented in a later release. 

Additional functionality in MailMarshal (SEG) 10.0.1:

The following features (present in SEG 8.X but not in 10.0.0) are included in version 10.0.1:

  • Folder physical path setting for individual folders
  • Folder security for individual folders
  • Authorization for configuration and email management by Windows accounts
  • Granular folder access authorization
  • Configuration commit scheduling

Updates released in MailMarshal (SEG) 10.0.2:

The following issues or limitations present in MailMarshal (SEG) 10.0.1 and below have been resolved in version 10.0.2.


  • Detection of WebDAV by the installer is corrected.

Policy Elements and Settings

  • Re-commit of the current configuration can be requested from the system configuration > General page.
  • Reporting Groups configuration is available.
  • The Variables list on the HTML message stamp editor is corrected.
  • Rules can be enabled or disabled from the list view.

Mail View

  • Large lists load with acceptable speed.
  • Selecting an item no longer causes display issues on smaller resolution displays.
  • Deleting or forwarding from a filtered list selects the correct item.
  • Sorting is case-insensitive (as in 8.X).

Updates released in MailMarshal (SEG) 10.0.1:

The following issues or limitations present in MailMarshal (SEG) 10.0.0 have been resolved in version 10.0.1.


  • Issues with folder and history display when installing the Array Manager on non-English Windows distributions are corrected.
  • The installer detects port conflict issues (most likely where Exchange or another mail server is installed on the same server). For more discussion of steps required when installing on Exchange Server, see Trustwave Knowledgebase article Q21146
  • The installer prompts for an Operational User for the Configuration Service database if required.
  • Upgrade handles additional cases where rules (including disabled rules) contain references to templates, folders, or other rules that no longer exist or where the reference was malformed.

Policy Elements and Settings

  • Entry of service names/keys in Advanced Settings is no longer case sensitive.
  • When restore takes a long time, the Management Console correctly shows the status.
  • Automatic backups are performed only if selected.
  • Maintenance expiry is correctly shown on the License page.
  • Configuration can be committed as prompted after entering a license key.

Mail View

  • Issues with folder display in certain timezones are corrected.
  • Filtering on the Message History pages is corrected. Note that filtering applies only to the displayed page, by design. To search over all available items, use Search instead.

Known Issues in MailMarshal (SEG) 10.0


  • Database errors on upgrade from 10.X
    • Changing the database location with the 10.X Server Tool does not update the Registry location used by the installer. To avoid or recover from this issue, see Trustwave Knowledgebase article Q21162.
  • Configuration import error 
    • Configuration import will fail if services are not listening on the default IP and port. To import manually (using MMExportCFG), use the -a and -c parameters to set the correct server and port information.
  • Azure Databases:
    • The Installer and Server Tool cannot currently create Azure SQL managed instance databases. SEG can use Azure databases if they are created in advance.
  • Upgrade - TLS 1.3 and Elliptic Curves:
    • Trustwave previously suggested use of the secp521r1 Elliptic Curve for key exchange. Customers should be aware that if this is the only curve enabled, email delivery from Gmail may not succeed. This change is due to TLS1.3 behaviors and Google's decision not to use the secp521r1 curve. 
    • The X25519 curve is widely used and this is the default in both SEG 8.2 and MailMarshal (SEG) 10.0.
    • To check settings see the Inbound Security - TLS page for each mail server.
  • Array Join credentials:
    • Adding an "Array Join" credential in the SEG Server Tool (used to join a processing server to an array) requires a restart of the Array Manager. The tool does not prompt you for this restart.

Policy Elements and Settings

  • Configuration restore:
    • A restored configuration is committed with no confirmation or possibility of review in some cases.
    • Restoring a configuration from a previous version that has rules referencing SpamZeroDay.xml and KnownThreats.xml causes the Engine to stop. (The upgrade process blocks upgrade of these configurations, but restore does not.)
  • Configuration backup:
    • The retention setting applies to manual as well as automatic backups, since the files are created in the same location. To save manual backups, copy them to another location.
    • Manual backups do not include DKIM keys unless a password is explicitly entered (the saved password should be used if not overridden, but it is not).
    • A custom backup location set in SEG 8.X will apply in MailMarshal (SEG) 10.X. This setting currently cannot be edited in 10.X.
  • Connector User Group usage:
    • Connector user groups that are selected for use and saved do not display in the user interface. Configuration is correctly saved. This issue applies to Digests, SpamProfiler exclusions, and DHA settings. Note that Trustwave recommends using local groups in these settings (with the connector groups as members).
  • Console list filtered views:
    • When you filter a list using "filter for", clicking an item may display details for a different item in the lower pane.
  • Licensing:
    • Blended Threat licensing status is not shown on the License page.
    • Maintenance expiry shows today's date if the key cannot be validated through the Trustwave website (it should display "unknown").
    • Reminders about license status (seen in earlier versions) are not provided when you enter a new key.
    • Entering a key that has a Marshal RBL credential forces configuration commit with no notice.
    • Upgrading with an expired key results in no key being displayed on the License page. This behavior will not be changed.
  • Mail Server settings display:
    • If custom settings have been configured, reverting to the default settings and saving does not update the display in the console. The settings have actually been updated correctly.
  • Policy Elements:
    • Dead Letter folders are not configurable in the Folders list.
    • Message Templates and Message Stamps do not save the HTML formatting created using the WYSIWYG editor. To use styles, see the stylesheet method described in Help (requires release 10.0.2).
  • Rules
    • The Console does not prevent moving a target rule above a rule that refers to it (circular policy).
    • Enabling default virus scanner rules does not validate that a scanner is present and working.
  • Users
    • Setting a user to "blocked" or "deleted" is only effective after a restart of the Management Console website.

Mail View

  • Folder and History Views:
    • Deleting an item from a filtered page may delete the wrong item.
  • Message History:
    • The default view of message history only shows items from "today". To see all items, use Search. The default should be to return all items up to the configured row count.

Limitations in MailMarshal (SEG) 10.0

The following functionality that was present in previous versions is not currently available in 10.0.

  • Finding items in User Groups and IP Groups
  • Moving or copying rules between Policy Groups
  • Restore from Mail Recycle Bin (this does not affect retention of messages)
  • Removing unused processing nodes from the configuration/console view
  • RSS news feeds
    • Alternative: subscribe to the Notifications forum on the Trustwave support site

Retired Features

The DMARC Dashboard has been retired. Customers must use third party services for this functionality.

To contact Trustwave about this article or to request support:

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