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. such a sharp pain v011rsp gallery unlock wa full
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. Third-party quick mods let you skip gameplay progression
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. open the game folder
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.
Third-party quick mods let you skip gameplay progression entirely to unlock all animations instantly.
Locate your game directory, open the game folder, and place the .rpa mod file inside.
Such a Sharp Pain v0.11R.SP Gallery Unlock Guide: Experience the Full Game
The feature highlights the "correct" or "meaningful" choices that unlock specific routes and character arcs. It prevents you from missing important content or being locked out of endgame events. 2. Download and Install the Gallery Unlocker Mod
Launch the game and check the Gallery to confirm that all scenes are unlocked. ⚠️ Important Precautions Before Modifying Your Game
Navigate to the local save folder for your operating system: Windows: %APPDATA%/RenPy/SuchASharpPain-XXXXXXX/ macOS: ~/Library/RenPy/SuchASharpPain-XXXXXXX/
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
Third-party quick mods let you skip gameplay progression entirely to unlock all animations instantly.
Locate your game directory, open the game folder, and place the .rpa mod file inside.
Such a Sharp Pain v0.11R.SP Gallery Unlock Guide: Experience the Full Game
The feature highlights the "correct" or "meaningful" choices that unlock specific routes and character arcs. It prevents you from missing important content or being locked out of endgame events. 2. Download and Install the Gallery Unlocker Mod
Launch the game and check the Gallery to confirm that all scenes are unlocked. ⚠️ Important Precautions Before Modifying Your Game
Navigate to the local save folder for your operating system: Windows: %APPDATA%/RenPy/SuchASharpPain-XXXXXXX/ macOS: ~/Library/RenPy/SuchASharpPain-XXXXXXX/
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.