1 versions of SMTP Test Tool are listed here, from July 10, 2026 to the current 0.2.1. Each one links to the publisher’s own installer files.
| Version | Date | Size | Files |
|---|---|---|---|
| 0.2.1Latest | July 10, 2026 | — | 64-bit ZIP |
SMTP Test Tool: all versions and old releases
Cross-platform SMTP / IMAP / POP3 connectivity tester with IT-actionable diagnostics.
- LicenceOpen source
- Version0.2.1
- RequiresWindows 10, 11
- ReleasedJuly 10, 2026
- GitHub stars★ 4
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