Castleforce IT Security Team

Titus Labs Message and Document Classification

Message Classification

Email classification and policy enforcement for Microsoft Outlook

Protect your organization’s information assets by allowing users to classify and label all emails at the point of creation. Titus Labs Message Classification is an easy to use email labeling solution that ensures every Microsoft Outlook® and Outlook Web Access® email is classified and protectively marked before it is sent.

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Titus Outgoing message with classification labels 

Unstructured data, including email, presents a significant classification challenge for most organizations. Having the right tool makes all the difference.  By using Message Classification, organizations can:

  • Raise user awareness and accountability
  • Reduce inadvertent disclosure of sensitive information
  • Comply with internal and regulatory classification policies
  • Ensure adoption of security technologies
  • Improve eDiscovery and archiving

Using Classification to Manage Email Policy for the Enterprise Datasheet

Titus Incoming message with classification labels



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Titus labs Message classification for MS Outlook and OWA Datasheet

Compliance Standards

Castleforce can help you reach GCSx CoCo

GCSX No 23 Mail Labelling

Attachment Checking customisable warning message 

Trusted Domains customisable warning message 

Message Classification Features

  • Classification Selector - Prompts users to classify all emails, meeting requests, and tasks, enabling organisations to enforce their classification policies in a simple, non-intrusive way.
  • Label Marker - Applies visual markings in the email subject line and message body to clearly identify the sensitivity of the information.
  • Portion Marker - Applies classifications to individual portions of an email, and reflects the highest portion marking in the email’s overall classification. Portion Marking is an add-on to Message Classification.
  • Metadata Generator - Creates metadata that can be used to enhance archiving, data loss prevention (DLP), and perimeter security solutions.
  • Policy Verifier - Inspects the email for policy violations before the message leaves the desktop, and provides instant feedback so that the sender can correct any problems.
  • Security Enabler - Adds an extra layer of security by automatically encrypting, signing, or RMS-protecting sensitive emails. This optional feature requires S/MIME certificates or Microsoft Rights Management Services®.
  • Administration Tool - Enables organisations to centrally configure and deploy their classification labels and policies, including support for government classification guidelines such as CAPCO, CUI, ITAR, Australian EPMS, and UK GPMS.


The Message Classification software is client-based and requires no server component, and is supported on Microsoft Outlook 2003 and Outlook 2007. Deployment is easy and fast, with most customers rolling out the software overnight or on a weekend.