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.
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints.
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures.
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.
Tap M, N, or B while in a mode to unlock its alternate forms. Abilities: Unleash chaos with Z, X, C, V .
Roblox updates frequently break old code. The version is a complete overhaul designed to work with current Roblox engines. 1. Re-written Codebase Converted from legacy code to modern Luau. Optimized to reduce frame rate drops (lag). Fixed "broken" animations that previously glitched out. 2. Enhanced Visuals 4K Particles: High-definition celestial effects. star glitcher revitalized script
The script features progression tiers. By pressing specific hotkeys, you can transform into higher "Phases." Each phase alters your theme music, increases the size of your aura, and unlocks more destructive variants of your core abilities. How to Setup and Run the Script Tap M, N, or B while in a mode to unlock its alternate forms
Spatial Rend. A heavy, ground-slamming attack that ruptures the map geometry and sends shockwaves outward. The version is a complete overhaul designed to
The Star Glitcher Revitalized Script is a powerful tool designed for Roblox game developers. It's a script that allows developers to create a wide range of glitch effects, from simple visual distortions to complex, game-changing anomalies. With this script, developers can add an extra layer of excitement and unpredictability to their games, keeping players engaged and entertained.
Because Star Glitcher Revitalized spawns hundreds of local particle emitters, custom meshes, and continuous sound instances, it is highly resource-intensive. If you are playing on a lower-end PC or a mobile device via an emulator, you will experience severe frame drops (FPS lag). It is highly recommended to lower your in-game Roblox graphics settings to 1–3 bars before executing. Account Safety and Bans
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
Tap M, N, or B while in a mode to unlock its alternate forms. Abilities: Unleash chaos with Z, X, C, V .
Roblox updates frequently break old code. The version is a complete overhaul designed to work with current Roblox engines. 1. Re-written Codebase Converted from legacy code to modern Luau. Optimized to reduce frame rate drops (lag). Fixed "broken" animations that previously glitched out. 2. Enhanced Visuals 4K Particles: High-definition celestial effects.
The script features progression tiers. By pressing specific hotkeys, you can transform into higher "Phases." Each phase alters your theme music, increases the size of your aura, and unlocks more destructive variants of your core abilities. How to Setup and Run the Script
Spatial Rend. A heavy, ground-slamming attack that ruptures the map geometry and sends shockwaves outward.
The Star Glitcher Revitalized Script is a powerful tool designed for Roblox game developers. It's a script that allows developers to create a wide range of glitch effects, from simple visual distortions to complex, game-changing anomalies. With this script, developers can add an extra layer of excitement and unpredictability to their games, keeping players engaged and entertained.
Because Star Glitcher Revitalized spawns hundreds of local particle emitters, custom meshes, and continuous sound instances, it is highly resource-intensive. If you are playing on a lower-end PC or a mobile device via an emulator, you will experience severe frame drops (FPS lag). It is highly recommended to lower your in-game Roblox graphics settings to 1–3 bars before executing. Account Safety and Bans
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.