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Infrastructure

De Nederlandsche Bank

Customer case: Modernization and migration of the email infrastructure

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For De Nederlandsche Bank, I contributed as an independent IT consultant to the modernization of the email infrastructure, with the goal of a future-proof, secure and manageable environment.

The existing situation was based on an older on-premises environment. The challenge was to migrate to a new generation of Exchange architecture in a controlled manner, without impacting business continuity and while retaining full mail functionality.

Approach

Based on the objectives, I independently determined the technical approach and worked on setting up and optimizing the new environment. The focus was on stability, security and a controlled transition.

  • Preparing and setting up a new Exchange Server environment
  • Analyzing and optimizing mail flow and connector configurations
  • Troubleshooting mail routing and delivery issues
  • Validating transport and security settings (including TLS)
  • Supporting migration and transition moments

Within this assignment I made choices in approach and order based on my expertise, aligned with the desired end situation.

Result

The work contributed to:

  • A stable and future-oriented email infrastructure
  • Reliable internal and external mail routing
  • Improved control over transport and security settings
  • A controlled transition to the new environment
  • Minimal disruptions during critical migration moments

Role & way of working

Within this assignment I operated as an external specialist with clear responsibility for my own area. The work was carried out on the basis of pre-agreed objectives, with me independently shaping the technical execution.

I was not part of the internal organization and worked without hierarchical supervision. The client assessed the result of the work, while the substantive approach and execution were entirely up to me.

Location & website

DNB (De Nederlandsche Bank), Frederiksplein 61, 1017 XL Amsterdam
www.dnb.nl