
Overview
Certifient Guardian is a secure gateway that safeguards sensitive email messages by scanning your email for compliance, and performing policy-based actions.
Highlights
- Rules management, messages reporting, message audit, secure email delivery.
Details
Unlock automation with AI agent solutions

Features and programs
Financing for AWS Marketplace purchases
Pricing
Vendor refund policy
How can we make this page better?
Legal
Vendor terms and conditions
Content disclaimer
Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Windows updates (up to 06/12/2025) are included in the AMI.
Additional details
Usage instructions
- Please prepare a domain, an SSL certificate for your domain, a PEM file for your domain, and a Certifient Guardian license file for your domain. Sensitive information will be saved in the following locations:
- Your SSL certificate will be saved in Windows Registry.
- Your PEM file will be saved in "C:\GuardianData\certs".
- Your Certifient Guardian license file will be saved as "C:\inetpub\wwwroot\GuardianWeb\web.licenseSettings.config"
-
Launch a Certifient Guardian gateway instance.
-
Access the intance using RDP information retrieved on Amazon EC2 user interface.
-
Install your SSL certificate.
-
Add your domain to the IIS "Guardian Web" website.
-
Bind your SSL certificate to the IIS "Guardian Web" website.
-
Copy and overwrite your Guardian license file to "C:\inetpub\wwwroot\GuardianWeb\web.licenseSettings.config".
-
Create a DNS record (on your domain management system), and point it to your instance IP address.
-
Copy your PEM file to "C:\GuardianData\certs".
-
Open "C:\ProgramData\E-MailRelay\emailrelay-start.bat" using Notepad.
-
Replace "guardian_certifient_com.pem" (without quotes) with your PEM file name. Save the file.
-
Restart "E-MailRelay" Windows service.
-
Create your SES SMTP credentials. Copy SMTP endpoint and port (587) and paste them to "C:\Services\Guardian Service\SecureMessaging.GuardianService.exe.config".
-
Restart "Guardian Service" Windows service.
-
Please have TCP port 587 inbound open to accept emails.
-
Access the Certifient Guardian gateway using the associated your domain with port 433 over HTTPS (i.e. https://<your_domain>).
-
Log in as the email "admin@ops4sight.com " and password "Gateway@2023" (without quotes) to begin configuration.
-
Go to "Admin Console" > "Manage SMTP and System Notifications"
-
Enter your SES SMTP credentials, enter your email to "To test email", click "Test SMTP", click "Save" button.
-
To assess and monitor the health please
- Navigate to your Amazon EC2 console and verify that you're in the correct region.
- Choose Instance and select your launched instance.
- Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.
-
The Certifient Guardian gateway does not use data encryption.
-
The Certifient Guardian gateway does not use programmatic system credentials or cryptographic keys.
-
The Certifient Guardian gateway does not make use of any encryption techniques.
Please refer to https://certifient.com/wp-content/uploads/2023/05/Guardian-Usage-Instructions-BYOL.pdf for details.
Resources
Vendor resources
Support
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
Similar products
