Recent Posts

Fun with DKIM

DKIM signing and verification look mostly like an opaque black box from the outside, without any easy way to look at intermediate steps and understand what’s going on. Perhaps we can do something, though.

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Spamhaus' Sender Guidelines

Spamhaus have released their guidelines for senders.

It’s very clear, very precise and generally very good.

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Gambling with cold email

I don’t think it’s a secret that I don’t like cold outreach mail. I do not want to receive it. I do not help companies get it delivered.

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Turscar Isle

Have you ever wanted to sneak in to a cult of spammers and rob them blind?

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Interview with Stripo - extended thoughts

While I was in Vienna at the IETF meeting last week, Stripo published an interview I did with them earlier this summer.

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My interview with Stripo

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BIMI Certificates and Domains

BIMI is the protocol that gives you little images and blue checkmarks alongside your message in the inboxes of some mail clients.

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The new DMARC is here

DMARCbis the new DMARC is finally here.

It’s not DMARCbis any more, it’s just DMARC.

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DKIM2, Asynchronous Bounces and VERP

This is just expanding on some of the points Laura made last week.

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DKIM2: What it means for the future of email

Table of Contents

Introduction

After years of stagnation in email authentication protocol development we have a new player entering town. The protocol is DKIM2 and it’s in active development over at the IETF. If you want to see the sausage being made, you can visit the IETF datatracker to see the details and sign up for the mailing list.

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