PMTA Alerts is a Firefox extension for monitoring PMTA server activity in an open browser tab. It tracks outbound traffic and queue recipient counts, then sends configurable browser notifications when thresholds or traffic conditions are reached.
PMTA Alerts sits in PulseGate's Browser DevTools & extensions category. It focuses on monitoring PMTA server traffic and queue conditions without manually checking the PMTA browser page. It is built as a B2B product for PMTA server administrators and email infrastructure operators. PMTA Alerts is free to use. It runs on the web and embeddable surfaces.
Younes Kountate builds and maintains PMTA Alerts, and it first shipped in 2026. Among its 8 catalogued features are OUT alert mode, queue thresholds, and multiple queues. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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