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. frp electromobiletech exclusive
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. Shift from heavy stamping to composite molding reduces
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. Seat frames, interior trim, instrument panel supports from
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.
As the automotive industry accelerates toward an electric future, the mantra has shifted from "horsepower" to "efficiency per kilowatt-hour." This is where Fiber-Reinforced Polymer (FRP) transitions from a niche motorsport material to an exclusive, mission-critical technology for premium electromobiles.
If you are selling or giving away your phone, you must deactivate FRP manually to ensure the new owner can use it. Access Settings: Open your phone's Navigate to Accounts: (or "Users & accounts"). Select Google Account:
FRP ElectromobileTech Exclusive enclosures offer:
Weight Reduction: FRP is significantly lighter than metal, directly increasing the vehicle's mileage per charge.
This phrase “frp electromobiletech exclusive” appears to be a marketing or branding label, likely from a Chinese or European electric vehicle (EV) component manufacturer. Here’s a breakdown:
Because the name sounds industrial, it is sometimes confused with other high-tech sectors: How to Use & Remove Android FRP (Factory Reset Protection)
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
As the automotive industry accelerates toward an electric future, the mantra has shifted from "horsepower" to "efficiency per kilowatt-hour." This is where Fiber-Reinforced Polymer (FRP) transitions from a niche motorsport material to an exclusive, mission-critical technology for premium electromobiles.
If you are selling or giving away your phone, you must deactivate FRP manually to ensure the new owner can use it. Access Settings: Open your phone's Navigate to Accounts: (or "Users & accounts"). Select Google Account:
FRP ElectromobileTech Exclusive enclosures offer:
Weight Reduction: FRP is significantly lighter than metal, directly increasing the vehicle's mileage per charge.
This phrase “frp electromobiletech exclusive” appears to be a marketing or branding label, likely from a Chinese or European electric vehicle (EV) component manufacturer. Here’s a breakdown:
Because the name sounds industrial, it is sometimes confused with other high-tech sectors: How to Use & Remove Android FRP (Factory Reset Protection)
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.