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September 1, 2026

Secure Email Gateway Release Notes

Note: OCSP stapling is enabled by default starting with SEG version 2.26.

If required, you can disable OCSP stapling by adding the following key-value pairs (KVPs) in the SEG Custom Settings, located in the Advanced Configuration section of the Workspace ONE UEM console:

Key-Value PairTypeValue
Djdk.tls.server.enableStatusRequestExtensionBooleanFalse
Djdk.tls.client.enableStatusRequestExtensionBooleanFalse

Workspace ONE Secure Email Gateway 2.36.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

This release focuses on security and performance improvements with no new features.

Minimum Requirements

Workspace ONE UEM Console 2410 or later

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.35.3

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

  • New KVP for WWW-Authenticate response header control
    A new custom settings KVP, enable.www.authenticate.response.header, allows administrators to control whether SEG includes the WWW-Authenticate header in ActiveSync (EAS) POST responses. This header is suppressed by default, and administrators can set it to true to support email clients that rely on the WWW-Authenticate challenge to complete authentication.

    • KVP: enable.www.authenticate.response.header
    • Type: Boolean
    • Default: false

Minimum Requirements

Workspace ONE UEM Console 2410 or later

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.35.2

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

This release focuses on security and performance improvements with no new features.

Minimum Requirements

Workspace ONE UEM Console 2410 or later

Resolved Issues

CMEM-187315: SEG installation does not complete when email server is configured with a self-signed certificate.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.35.1

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no new features to introduce for this release.

Minimum Requirements

Workspace ONE UEM Console 2410 or later

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.35.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

Restrict email-embedded URLs to open in Microsoft Edge. To enable this, add the following key-value pair to the SEG Custom Settings under the Advanced Configuration in UEM.

  • Key: hyperlink.transformation.scheme
  • Type: String
  • Value: microsoft-edge-http

Minimum Requirements

Workspace ONE UEM Console 2410 or later

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.34.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

Secure Email Gateway logs are now automatically compressed and stored in .gz format.

Minimum Requirements

Workspace ONE UEM Console 2402 or later

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.33.1

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no new features to introduce for this release.

Minimum Requirements

Workspace ONE UEM Console 2402 or later.

Resolved Issues

  • iOS native email client unable to sync email through SEG when connected to Exchange Online.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.33.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no new features to introduce for this release.

Minimum Requirements

Workspace ONE UEM Console 2310 or later.

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.32.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no new features to introduce for this release.

Minimum Requirements

Workspace ONE UEM Console 2310 or later.

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Workspace ONE Secure Email Gateway 2.31.0

  • New Features
  • Minimum Requirements
  • Resolved Issues
  • Known Issues

New Features

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no new features to introduce for this release.

Minimum Requirements

Workspace ONE UEM Console 2306 or later.

Resolved Issues

We are always working to improve Workspace ONE Secure Email Gateway with every release. There are no major bug fixes to report.

Known Issues

We haven’t identified any notable known issues in this release. If you’re facing any problems, feel free to reach out to our support team.

Download Instructions

Download the new SEG version directly from the Customer Connect Portal.

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