~/tags $ grep -l '#smtp' _posts/*
// #smtp
3 posts 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 ...
Why I Switched From Gmail to Brevo for All My Homelab Email Alerts
How and why I migrated all my homelab email alerts — Proxmox backups, Zabbix monitoring, and even an ESP32 door sensor — from Gmail App Passwords to Brevo's SMTP relay.
ESP32 Email Notification on State Change to trigger IFS ERP Report
One of the smaller projects which I particularly enjoyed enabled a fire alarm system to interact with the organisations ERP system. This was an integration project where a business stakeholder wanted