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.
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
Q: Can I customize the Kulosa CapCut Template? A: Yes, the Kulosa CapCut Template is fully customizable. You can add your own media, change the colors and fonts, and adjust the layout to suit your needs.
Q: What file formats can I export my video in? A: You can export your video in a range of formats, including MP4, AVI, and more.
Q: What is the Kulosa CapCut Template? A: The Kulosa CapCut Template is a pre-designed template for video editing, specifically created for use with the CapCut video editing app. Kulosa CapCut Template
Q: Is the Kulosa CapCut Template compatible with other video editing apps? A: The Kulosa CapCut Template is specifically designed for use with the CapCut video editing app. However, some templates may be compatible with other video editing apps.
Q: Is the Kulosa CapCut Template free to use? A: Yes, the Kulosa CapCut Template is free to use. However, some templates may require a subscription or a one-time payment. Q: Can I customize the Kulosa CapCut Template
Kulosa CapCut Template is a pre-designed template for video editing, specifically created for use with the CapCut video editing app. CapCut, formerly known as InShot, is a popular video editing app that offers a range of features and tools to create stunning videos. The Kulosa CapCut Template is designed to take advantage of these features, providing a unique and customizable template that can be used to create a wide range of videos, from social media clips to music videos and more.
In the world of video editing, creativity and efficiency are key to producing high-quality content. With the rise of social media and video-sharing platforms, the demand for visually appealing and engaging videos has never been higher. To meet this demand, video editors are constantly on the lookout for tools and templates that can help them streamline their workflow and bring their creative vision to life. One such tool that has gained popularity among video editors is the Kulosa CapCut Template. Q: What file formats can I export my video in
The Kulosa CapCut Template is a game-changer for video editors. With its pre-designed structure, customizable elements, and high-quality output, it's the perfect tool for creating stunning videos. Whether you're a seasoned video editor or just starting out, the Kulosa CapCut Template can help you unlock your creativity and produce professional-looking videos with ease. So why not give it a try? Download the Kulosa CapCut Template today and start creating amazing videos!
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.