Articles posted in 'The Internet'

I'm in the process of writing a book, called A Sneak Peek at The Internet which is all about how the Internet works. While I'm chipping away at the content for the book, I come up with all sorts of articles that might stand alone. These are them. If the content here appeals to you, you should definitely check out the web site, and subscribe to the mailing list to keep up to date on its developments.

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I only just discovered Domain-based Message Authentication, Reporting & Conformance (DMARC) today, as I was writing up some notes for an article on setting up email for a new domain. While I was writing the section on DKIM, I got to thinking, That's all well and good, but how do I advertise the fact that all my email sources are DKIM-signing messages, and that anything which isn't signed is probably spam? It turns out that DMARC is the answer to that question — and more — and it's widely deployed. In addition to allowing you to state that you sign everything, you can also opt in to getting reports from mail service providers with details on what email is getting dropped. Read more…