Glasswall Email Security

Email is a popular vehicle for social engineering attacks and other threats – what employee wouldn’t open an attachment that appears to be from their CEO? Make sure only safe email attachments enter and exit your organization. With Glasswall Email Security, every attachment is disarmed of potential threats and delivered instantly.

Eliminate risk of file-based threats from email attachments

Give users the freedom to
open any attachment

Deliver mail to desktops and
devices without delay

Disarm and rebuild attachments with
perfect visual content layer integrity

Flexible, scalable processing for any
file volume

Protection without the delay of
identifying Patient Zero

Defeat advanced malware that’s

Key features

  • Exchange Online,  G-Suite
  • Easy integration with any cloud-based SMTP server
  • Support for all key business file formats including Binary Office, Open XML Office, PDF, PNG, JPEG, BMP, TIF and GIF
  • Unsupported file types can be allowed or disallowed for any selected senders and receivers by policy
  • Multi-region data sovereignty support
  • Role-based administration
  • Easy user-defined risk policy management

Use cases

Enterprise-scale business email threat removal

Supply chain security

Secure email attachments


How it works

Glasswall Email Security uses the patented Glasswall CDR Platform to inspect, clean and rebuild email file attachments to their known good state in real-time–proactively protecting your organization against the most persistent and complex file-based threats.

Glasswall Email

Glasswall Email

Learn more about proactive file protection with Glasswall CDR

Learn more about CDR


Glasswall Email


Secure Email

The Pain Of Ransomware Hangovers

Want to give CDR a whirl?

Upload a file and we’ll clean and rebuild it in a tick.
Experience the power of Glasswall CDR for yourself.

CDR Platform

CDR Engine


Cloud API

Email Security

Threat Intelligence


CDS Plug-in

ICAP Plug-in

Menlo Plug-in



Clean Room

Desktop App


We believe people should be free to open their files without fear. Glasswall CDR takes a proactive approach to automatically remove all Zero-day threats from files, without sacrificing productivity.

Use Cases

Cloud Native Integrations

Data Migrations

File Uploads & Downloads

Malware Risk Removal

Metadata Removal

Ransomware Crisis Response

Ransomware Crisis Prevention

SDK Integration

Secure Email

Resource Library


support lines


Glasswall CDR Portfolio

Reactive cybersecurity is failing - it’s time for a better way. Traditional detection-based security methods play catch up with new threats. Find out how your organization can take a proactive approach to cybersecurity.

strategic alliances

About our Partner Program

Our Partners

Become a Partner

Bringing File-based threat protection to your customers

Offer a richer security portfolio with the most agile CDR platform on the market. Stand out from the competition with a partner program built for you. Let’s make files safer together.

About Glasswall

Our People



Contact Us

support lines


Raising the bar on file security

We believe people should be free to open their files without fear. To click on anything without risk of catastrophe. To use systems the way they were meant to be used. That’s why we’re raising the bar on file security at Glasswall.