Archive

2026  11

August  3

Sending Without Permission

August 29, 2026 · 2 min · Ken O'Driscoll

Spammer Math

August 15, 2026 · 2 min · Ken O'Driscoll

Why permission is important

August 8, 2026 · 2 min · Ken O'Driscoll

July  4

Proposed Email Verification Protocol

July 25, 2026 · 1 min · Ken O'Driscoll

PDFs, bulk mail, and deliverability

July 19, 2026 · 2 min · Ken O'Driscoll

Vulnerabilities in SPF

July 19, 2026 · 2 min · Ken O'Driscoll

DKIM Replay

July 5, 2026 · 2 min · Ken O'Driscoll

June  4

Plans to put ARC out to pasture

June 24, 2026 · 3 min · Ken O'Driscoll

DKIM2 is (probably) on the way, and sooner than you think

June 22, 2026 · 2 min · Ken O'Driscoll

DMARC is closer to becoming a standard

June 22, 2026 · 1 min · Ken O'Driscoll

Website Move and Site Update

June 2, 2026 · 1 min · Ken O'Driscoll

2024  1

August  1

New Sender Requirements 2024

August 10, 2024 · 9 min · Ken O'Driscoll

2023  1

October  1

Email Deliverability Explained Second Edition

October 4, 2023 · 1 min · Ken O'Driscoll