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Practical checklists and guides for email authentication, mail migrations, server security and infrastructure management. Written by engineers, not marketers.
- Guide research
Australian SMB Security & Digital Readiness Benchmark 2026
We scanned 364 Australian business domains for email security, web security, SEO and AI-search readiness. 76% lack enforced DMARC; most fail security headers.
View guide - Checklist email
Email Authentication Setup Checklist
Step-by-step checklist for SPF, DKIM, DMARC, MTA-STS and BIMI. Use this to audit or implement email authentication for any domain.
View checklist - Guide research
Australian Accounting Firms Email Security Benchmark 2026
We scanned 316 Australian accounting-firm domains for email security, web security and AI-search readiness. 75.3% lack enforced DMARC; 70.1% of sites fail security headers.
View guide - Checklist email
Microsoft 365 Email Migration Checklist
Pre-migration, cutover and post-migration checklist for moving to Exchange Online. Covers authentication, connector setup, DNS cutover and monitoring.
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Looking for deeper explanations?
The blog covers email deliverability, DMARC enforcement, DKIM failures and more — with the reasoning behind each fix.