Short, focused technical notes from real projects.
Published regularly.
Email security is about more than passwords and MFA. MTA-STS helps protect email while it travels between mail systems, and it is something you can check on your own domain.
Read latest noteThe technical migration is only one part of the work. A look at the areas I would understand before moving users, data and services.
Read noteThey solve many of the same problems, but I would not treat them as interchangeable. The better choice depends on what the environment actually needs.
Read notePublishing a DMARC record is easy. Understanding every system sending mail for a business and moving safely to enforcement is the real job.
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