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. download desisexybhabhi2024720phevcweb link
View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints. The Sharma family's day had been filled with
24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures. Rohan was excited to learn about the new
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.
The Sharma family's day had been filled with love, laughter, and hard work. As they drifted off to sleep, they knew they were grateful for the blessings in their lives and looked forward to another day together.
The children left for school with their mother, walking to the nearby school bus stop. Rohan was excited to learn about the new science project he was working on, while Aisha was looking forward to her art class.
Raj spent the day at work, attending meetings and coding. He took a break to grab a snack from the canteen and chatted with his colleagues about the latest cricket match.
As Raj left for work, Priya gave him a gentle kiss on the cheek and said, "Have a good day, beta." Raj smiled and replied, "I'll see you tonight, Priya. Take care of the children."
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
The Sharma family's day had been filled with love, laughter, and hard work. As they drifted off to sleep, they knew they were grateful for the blessings in their lives and looked forward to another day together.
The children left for school with their mother, walking to the nearby school bus stop. Rohan was excited to learn about the new science project he was working on, while Aisha was looking forward to her art class.
Raj spent the day at work, attending meetings and coding. He took a break to grab a snack from the canteen and chatted with his colleagues about the latest cricket match.
As Raj left for work, Priya gave him a gentle kiss on the cheek and said, "Have a good day, beta." Raj smiled and replied, "I'll see you tonight, Priya. Take care of the children."
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.