Guidance

Rule 7: ICT shall be compliant with messaging policy

Updated 16 October 2023

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This publication is available at https://www.gov.uk/government/publications/joint-service-publication-jsp-604-network-rules/rule-7-ict-shall-be-compliant-with-messaging-policy

The rules are under review and subject to change.

1. Rule requirement: Messaging

1.1 Defence ICT shall comply with Messaging policy

2. Rationale

SMTP as opposed to X.400 for its primary (or sole) protocol for low/medium grade email messaging.

Benefits of Defence-wide use of SMTP include:

  • increased interoperability
  • reduced system complexity
  • wider vendor/product choice
  • alignment with de facto international standards and best current practice.

3. Who to contact

For all queries, email ISSDes-APM@mod.gov.uk

4. Process

Initial gate

  • Project shall engage with ISS DES Arch to understand the MoD Messaging Policy

  • Projects shall identify the requirement to implement and test Messaging in their draft SRD

  • Projects shall identify the requirement to test Messaging operation in their ITEAP

Main gate

  • Project shall engage with ISS DES Arch to understand the MoD Messaging Policy

  • Projects shall identify the requirement to implement and test Messaging in their draft SRD

  • Projects shall identify the requirement to test Messaging operation in their ITEAP

PDR

  • Projects shall provide design documentation to show intended compliance with Messaging Policy

  • ISS DES Arch are to approve the projects intended implementation

  • Projects shall identify the requirement to test Messaging operation in their ITEAP

CDR

  • Projects shall provide design documentation to show intended compliance with MOD Messaging Policy

  • ISS DES Arch are to approve the projects intended implementation

  • Projects shall identify the requirement to test Messaging operation in their ITEAP

TRRA

  • Projects shall provide evidence obtained through testing on a representative environment that messaging services operate as per design requirements
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