SMTP & Email API Test Utility
A free, native tool for testing SMTP relay servers and email API providers. Built for email administrators, developers, and IT professionals who need to quickly verify email delivery configurations.
Windows, macOS & CLI available now
Clean, intuitive interface designed for professionals. Test SMTP servers, preview HTML emails, and diagnose delivery issues.
Main Interface - SMTP Configuration
Send test emails through any SMTP server or choose from 12 integrated API providers. Inspect TLS certificates, diagnose delivery issues, and securely store credentials.
Save SMTP and API credentials securely with AES-256-GCM encryption. Master password protection keeps your credentials safe between sessions. digsilent powerfactory crack free
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. Power systems are evolving rapidly with the rise
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. digsilent powerfactory crack free
Compose in plain text or HTML with auto-detection. Live preview with rendered and raw source views. 6 preloaded templates included.
One-click sending via SendGrid, Mailgun, Amazon SES, Postmark, Brevo, and 7 more providers with built-in authentication handling.
No analytics, no tracking, no data collection. Your credentials stay local. App Sandbox enabled for maximum security.
One-click API-based sending with all major email service providers. Authentication handled automatically.
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DIgSILENT often provides a "Thesis Version" for students working on their final projects or dissertations. This is a fully functional version limited to a specific number of nodes.
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Live HTML Email Preview
6 Pre-loaded Email Templates
No subscriptions, no limitations, no strings attached.
Windows 10/11 (x64)
Version 1.0.7.0
macOS 14.0+ (Universal)
Version 1.08
Python (Cross-platform)
Open Source
Power systems are evolving rapidly with the rise of EVs and microgrids. DIgSILENT frequently releases updates to include new models and bug fixes. Cracked versions are "frozen" in time and lack access to the DIgSILENT Knowledge Base or official technical support, leaving you stranded when a complex simulation fails. Legitimate Ways to Access PowerFactory for Free (or Cheap)
DIgSILENT often provides a "Thesis Version" for students working on their final projects or dissertations. This is a fully functional version limited to a specific number of nodes.
In a real-world application, basing a design on faulty simulation data can lead to catastrophic equipment failure or safety hazards. 3. Lack of Technical Support and Updates
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.