---
names:
  full: AWS EC2 Security Group allows unrestricted SMTP traffic
  contextual: Security Group allows unrestricted SMTP traffic
description: >
  Ensure that AWS EC2 Security Groups are configured to restrict inbound SMTP 
  traffic (port 25) to trusted IP addresses.
type: COMPLIANCE_POLICY
categories:
  - SECURITY
frameworkMappings:
  - "/frameworks/cloudaware/resource-security/network-exposure"
  - "/frameworks/aws-fsbp-v1.0.0/ec2/19"
similarPolicies:
  internal:
    - dec-x-11c3009f
  cloudConformity:
    - url: https://www.trendmicro.com/cloudoneconformity/knowledge-base/aws/EC2/unrestricted-smtp-access.html
      name: Unrestricted SMTP Access