Simon Bressier

Head of Anti-Abuse & Deliverability at La Poste & President of Signal Spam. Creator of Mailuminati Guardian, fighting polymorphic fraud through structural DNA matching.

Posts by this author

Beyond Bayesian Filters: Why your MTA needs Structural DNA matching - January 04, 2026 - Posted in MTA
What DKIM is made of, from a tech perspective? - April 21, 2021 - Posted in DKIM
Why TLS email delivery is definitely important? - April 17, 2021 - Posted in MTA
DKIM RSA key size, does it matter? - April 17, 2021 - Posted in DKIM
Why do you sometimes see two DKIM signature on a single email? - April 17, 2021 - Posted in DKIM
DKIM what is it and why I need it? - April 16, 2021 - Posted in DKIM