Form Psychology — Human Factors in Submission Design
How users experience forms, errors, latency, and payments — and why small interaction details have outsized effects on trust, completion, and operational load.
Tutorials
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Microsoft DSN / Bounce Codes – Complete Glossary (with Fixes)
A practical, searchable glossary of Microsoft (Outlook/Hotmail/Office 365) DSN / SMTP error codes with plain‑English causes and step‑by‑step remedies.
DKIM Alignment Explained
What DKIM alignment is, how relaxed (adkim=r) vs strict (adkim=s) affect pass/fail, and how to align d= with your From domain for DMARC success.
DMARC: Settings & Switches
Plain-English guide to DMARC tags — p, adkim/aspf, rua/ruf, fo, pct — with a staged rollout from none → quarantine → reject and copy-paste policy examples.
Gmail Deliverability Playbook — Diagnose, Fix, Prevent
Practical guide to improve Gmail delivery and inboxing: Postmaster reputation rehab, authentication alignment, 2024+ bulk‑sender requirements, and triage for common Gmail deferrals.
AI Operating Notes — Governance Before Acceleration
Governance-first operating model for using AI in production systems. Experience-based, non-doctrinal, and explicitly bounded.
Deliverability: Fixing Outlook & Gmail
Step-by-step to get mail landing in Outlook and Gmail: SPF, DKIM, DMARC alignment, reputation checks, and common blocklist pitfalls.