Email

Independent technical write-ups on email authentication (SPF, DKIM, DMARC), deliverability, and provider reviews.

44 posts

Tuta Mail Review 2026: Privacy vs Convenience

Tuta Mail (formerly Tutanota) remains one of the most privacy-focused email services in 2026, prioritising maximum encryption and reduced metadata exposure over convenience. This review explains the trade-offs, who it suits, and when Proton or StartMail may be a better fit.

Spamhaus & the Shape of Modern Email Filtering

Spam didn’t disappear — it was pushed out of sight. Reputation systems like Spamhaus reshaped email abuse at internet scale, trading noisy volume for quieter, more dangerous attacks. This is the infrastructure that keeps email usable — and the compromises it relies on.

SPF: What It Proves — and Why It Fails So Often

SPF doesn’t verify who sent an email — it only confirms that a server was allowed to deliver it. That distinction explains why SPF passes during phishing, fails during forwarding, and can’t be treated as a trust signal on its own.

Your Email Is Your Weakest Privacy Link

Privacy rarely fails through dramatic hacks. It erodes quietly as the same email address is reused across accounts, services, and years of digital life — turning a simple inbox into an identity anchor.