Guides · Tools · Standards

Resources for email authentication

Setup guides, free checks, report reading, and standards — useful whether you manage one domain or many.

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Setup guides

DMARC, SPF, and DKIM DNS setup — step-by-step from monitoring to safer enforcement.

Free domain checks

Run DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, and ARC readiness checks with no signup.

Documentation hub

One place for guides, free tools, standards, and product pages.

Read DMARC aggregate reports

Source, volume, disposition, and alignment — how to use rua reports without getting lost.

DMARC alignment (SPF / DKIM)

Why SPF or DKIM can pass and DMARC still fail — and how to fix brand-domain alignment.

DMARC enforcement path

Safe progression from p=none through quarantine to p=reject without breaking mail.

Enterprise-wide DMARC checklist

Inventory every brand, publish reports someone will read, then raise policy in stages across the estate.

Fix SPF permerror

Stay under the 10-lookup limit and clean includes without locking out legitimate senders.

Lookalike domains vs spoofing

DMARC stops exact-domain forgery. Lookalikes need different process and brand defences.

DMARC explained

What p=none vs p=reject means for South African domains and how spoofing risk shows up.

Standards & RFCs

Plain-language notes on the IETF standards DMARC Shield monitors.

BEC & brand risk

What to do when spoofing or business email compromise hits.

Many domains / teams

How security and IT run authentication across brands — start at For Teams.

MSP / partner programme

Platform-led partner portfolio for MSPs and resellers — enquiry only, not self-serve signup.

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