When a GMass email bounces, log it in Google Sheets, alert the team in Slack, then mark the row reviewed
Each GMass bounce is recorded in Google Sheets and flagged in Slack, then FlowMattic marks the row reviewed so your team can clean up bad addresses systematically.
GMass
Google Sheets
SlackFree · import into FlowMattic in one click
Every step, explained
Import the template and this whole chain runs on autopilot — here's exactly what happens on each run.




Built to own, not to rent
No-code setup
Import the JSON, connect your accounts, and go live in minutes. Every step is pre-mapped — you only add your own credentials.
Runs on your server
Self-hosted on your WordPress install. No per-task fees, no data leaving your infrastructure, no monthly SaaS bill.
Fully customizable
Open it in the visual builder and reshape it — add branches, swap apps, insert filters. A starting point, not a cage.
Ready to automate your WordPress site?
Download this workflow free, or grab FlowMattic and own every automation on your site — no per-task fees, ever.




