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. mp4moviez filmyzilla skymovies etc patched
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. : When a site is blocked, owners often
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. : When a site is blocked
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.
: When a site is blocked, owners often create "mirror" sites with slightly different URLs (e.g., .vip, .in, .life) to bypass filters, but these are eventually "patched" (blocked) as well. 🛡️ Legal and Safe Alternatives
You're looking for a feature related to movie streaming or downloading platforms like MP4Moviez, Filmyzilla, and SkyMovies. I'll provide a general idea, and we can work from there.
While the game of whack-a-mole between authorities and site operators continues, the user experience often degrades significantly, leading to security risks:
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
: When a site is blocked, owners often create "mirror" sites with slightly different URLs (e.g., .vip, .in, .life) to bypass filters, but these are eventually "patched" (blocked) as well. 🛡️ Legal and Safe Alternatives
You're looking for a feature related to movie streaming or downloading platforms like MP4Moviez, Filmyzilla, and SkyMovies. I'll provide a general idea, and we can work from there.
While the game of whack-a-mole between authorities and site operators continues, the user experience often degrades significantly, leading to security risks:
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.