~/tags $ grep -l '#debian' _posts/*
// #debian
1 post tagged.
Unattended-Upgrades Was Sending Mail to Gmail for Six Weeks. Gmail Was Silently Dropping All of It.
How a one-line apt config default left every host on my fleet sending email with From: root, why Brevo accepted those messages but Gmail dropped them on DMARC alignment, and the live A/B test that nailed it down to a ...