Sendportal

Open-source email marketing with unlimited subscribers, campaigns, and workspaces.

PlatformWebfreeglobal

An open-source, self-hosted email marketing platform that supports unlimited subscribers, campaigns, and workspaces. It helps organizations avoid per-subscriber SaaS fees and keep subscriber data on their own infrastructure. Suited for marketers, businesses, and developer teams that want control over deployment; not intended for those who require a fully managed-only service.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Sendportal - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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