Longer-form practitioner guides that document how we approach specific programmes. Provided to engaged clients and prospective clients under NDA.
The full sequence for migrating from a shared ESP to dedicated infrastructure without a deliverability collapse. IP warm-up, domain topology, DMARC rollout, cut-over windows, roll-back plan.
The staged rollout we use for every enforcement migration. Report ingestion, sender enumeration, alignment fixes, staged pct increments, verification.
VMTA design, per-domain policy, bounce classification, accounting-log pipelines. Practitioner reference.
Curves for target volumes of 100k, 1M, 10M and 50M per day. Segmentation, cadence, signal-driven progression.
Postmaster reading, engagement dynamics, promotions tab, complaint thresholds. What has changed in 2026.
SNDS, JMRP, corporate O365 vs consumer Outlook, common filter patterns.
How to define, measure and hold to latency-based SLAs for magic links, password resets and order confirmations.
The header, the POST target, the acknowledgement flow, and how to instrument for observability.