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. The Water Man -2020- 9kmaza.com Hindi Dual Audi...
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. General audience, with a focus on families and
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. The villagers, initially wary of outsiders, slowly begin
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.
General audience, with a focus on families and those interested in stories about environmental sustainability and community development.
In a small village nestled in the heart of a drought-stricken region, a mysterious figure appears, known only as "The Water Man." The villagers, struggling to find water for their daily needs, are initially skeptical of this enigmatic stranger. However, as The Water Man begins to appear at different locations around the village, leaving behind a trail of fresh water and reviving the parched earth, the villagers start to take notice.
The villagers, initially wary of outsiders, slowly begin to trust The Water Man, and they start to work together to build a better future. The film explores themes of hope, community, and the importance of water as a fundamental human right.
Please let me know if there's anything specific you'd like me to add or change in this story!
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
General audience, with a focus on families and those interested in stories about environmental sustainability and community development.
In a small village nestled in the heart of a drought-stricken region, a mysterious figure appears, known only as "The Water Man." The villagers, struggling to find water for their daily needs, are initially skeptical of this enigmatic stranger. However, as The Water Man begins to appear at different locations around the village, leaving behind a trail of fresh water and reviving the parched earth, the villagers start to take notice.
The villagers, initially wary of outsiders, slowly begin to trust The Water Man, and they start to work together to build a better future. The film explores themes of hope, community, and the importance of water as a fundamental human right.
Please let me know if there's anything specific you'd like me to add or change in this story!
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.