Last updated: August 2026
The XSendFlow Desktop application operates on a local-first architecture. All recipient emails, campaign logs, and SMTP configuration parameters are stored exclusively in your local storage on your machine.
When utilizing browser-based lead cleaning or Spintax generation tools, lead records are processed strictly within your browser session memory or ephemeral API requests. We do not sell, rent, or monetize your prospect lists.
We do not use intrusive cross-site tracking cookies. Basic anonymous usage telemetry may be collected strictly to improve software stability.