Headshot of Mr Rob Walton, expert witness in Information Technology

Mr Rob Walton

Email Delivery Expert
Auckland, Auckland, 0772

Specialties & Experience

General Specialties:

Information Technology

Specialty Focus:

Education:

BSC Honours in Computer Science

Years in Practice:

3

Number of cases in the last 4 years:

3

Additional Information

I am an independent email delivery and messaging specialist with over 25 years’ experience designing, operating, and investigating enterprise-scale email systems. His expertise spans Microsoft Exchange (on-premises and Exchange Online), hybrid email architectures, and large-scale cloud messaging environments.

Specialising in analysing email transmission, routing, authentication, and delivery outcomes, including issues relating to spam filtering, message rejection, delayed delivery, and inbox placement. He has deep practical experience with SMTP protocols, message headers, Message-ID analysis, transport logs, SPF, DKIM, DMARC, TLS, and third-party email security gateways.

Work includes forensic review of email evidence, reconstruction of delivery paths, and independent assessment of whether email systems were configured and operated in accordance with accepted industry standards at the relevant time. Rob regularly supports legal teams with pre-litigation analysis, expert reports, and technical explanations suitable for courts and non-technical audiences.

Provides independent, objective opinions and is experienced in presenting complex email-delivery issues in a clear, methodical, and defensible manner.

Website

https://globalemailforensics.com

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