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Secure and non-Secure email Solution | Oracle Mailx Integration with Proofpoint Email Solution

1. Overview

This document describes the implementation and configuration of Proofpoint Email Security solution using a Public SMTP Relay. The solution enables secure internal and external email delivery from the public cloud.

2. Pre-requisites

  1. CyberArk Safe must be active.
  2. Users must have access to CyberArk to register Non-User IDs.
  3. A Non-User ID must be created.
  4. An Email Mailbox must be registered and mapped to the Non-User ID.

Reference Documentation: How To: Create a Non-User ID

3. Solution Architecture

Email delivery is enabled through the Proofpoint Public SMTP Relay, which supports both internal and external email communication.

4. Network and Firewall Pre-requisites

The following firewall whitelisting must be completed prior to configuration:

  • SMTP Port: 587
  • FQDN: smtp-us.ser.proofpoint.com
  • Subnet: Designated subnet range within the Network.

5. ServiceNow (SNOW) Request

After firewall whitelisting is completed, raise a ServiceNow request with the Email_Security_Configuration ServiceNow workgroup including the sending IP(s) and sending email address.

Required Details:

  1. ASKID / AIDE
  2. ASKID Name
  3. SLO Email Address (Service Owner)
  4. Technical Owner Email Address
  5. Business Owner Email Address
  6. Public IP address of the application
  7. @appmail.optum.com email address

Proofpoint will register a relay user and provide SMTP credentials.

ServiceNow Portal: link