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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Gemini Fileserver Example: https://github.com/eyedeekay/i2p-gemini
Gemini to HTTP proxy(Client) Example: https://github.com/eyedeekay/gneto
This sounds like it could be configured to do exactly what you're talking about: https://github.com/majestrate/bdsmail
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