@cannypigeons

Canny Pigeons

@cannypigeonsSydney, AustraliaJoined July 2026

DMARC monitoring that walks your domain to p=reject

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Canny Pigeons's blogs

Canny Pigeonscannypigeons.hashnode.dev5 posts

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CPCanny Pigeonscannypigeons.hashnode.dev15h ago · 3 min read

DMARC reports explained: how to read RUA aggregate reports

Publish a DMARC record with a rua address and something remarkable happens: Google, Microsoft, Yahoo and hundreds of other mail operators start emailing you daily summaries of every message that claim

CPCanny Pigeonscannypigeons.hashnode.dev15h ago · 4 min read

DMARC policies explained: none, quarantine, reject

The p= tag in your DMARC record is the instruction every mailbox provider follows when a message claiming your domain fails authentication. Getting from monitoring to enforcement is the entire point o

CPCanny Pigeonscannypigeons.hashnode.dev15h ago · 3 min read

What is DKIM? DomainKeys Identified Mail explained

DKIM (DomainKeys Identified Mail) puts a cryptographic signature on every message your servers send. Receivers verify it against a public key you publish in DNS — proving the mail genuinely involved y

CPCanny Pigeonscannypigeons.hashnode.dev15h ago · 4 min read

What is SPF? Sender Policy Framework explained

SPF (Sender Policy Framework) is a DNS record that lists the servers allowed to send email on your domain's behalf. Receivers check the connecting server against that list. It's the oldest of the thre

CPCanny Pigeonscannypigeons.hashnode.dev16h ago · 4 min read

What is DMARC? Email authentication explained

DMARC lets you tell every mailbox provider on the planet what to do with email that claims to come from your domain but can't prove it — and it makes them send you reports about everyone using your na

Canny Pigeons

About

Available for

Canny Pigeons's blogs

Recently published

DMARC reports explained: how to read RUA aggregate reports

DMARC policies explained: none, quarantine, reject

What is DKIM? DomainKeys Identified Mail explained

What is SPF? Sender Policy Framework explained

What is DMARC? Email authentication explained

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Canny Pigeons

About

Available for

Canny Pigeons's blogs

Recently published

DMARC reports explained: how to read RUA aggregate reports

DMARC policies explained: none, quarantine, reject

What is DKIM? DomainKeys Identified Mail explained

What is SPF? Sender Policy Framework explained

What is DMARC? Email authentication explained