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.
Simply drag the application icon from your Applications folder onto the Zii "Patch or Drag" button.
In this article, we will dive into why version 6.1.7 is considered the gold standard for the 2021 suite and how it maintains the high performance and stability you expect from Adobe products. What is Adobe Zii 2021 6.1.7?
The application is tiny, taking up almost no disk space while providing massive utility. Why "Extra Quality" Matters adobe zii 2021 617 easiest adobe cc 2021 all extra quality
While the creative world has moved toward the 2024 and 2025 versions of Creative Cloud, many users stick with because it is significantly less resource-heavy on older hardware. Adobe Zii 2021 6.1.7 remains the most reliable and easiest bridge to accessing that suite with "all extra quality" features intact.
If you are a creative professional or an enthusiast working with digital media, you are likely familiar with the Adobe Creative Cloud (CC) suite. While these tools are the industry standard, managing subscriptions for the entire suite can be a hurdle for some. This is where comes into play, offering a streamlined, "extra quality" solution for users looking to activate their CC 2021 applications with ease. Simply drag the application icon from your Applications
Disclaimer: This article is for educational purposes only. To support the developers and receive the latest security updates and cloud features, we recommend purchasing an official subscription from Adobe.
Adobe Zii 2021 6.1.7 supports a massive range of software, including: (v22.x) Illustrator 2021 (v25.x) Premiere Pro 2021 (v15.x) After Effects 2021 (v18.x) Lightroom Classic 2021 (v10.x) Final Thoughts The application is tiny, taking up almost no
Enter your Mac administrator password when prompted to allow the utility to modify the necessary frameworks.
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
Simply drag the application icon from your Applications folder onto the Zii "Patch or Drag" button.
In this article, we will dive into why version 6.1.7 is considered the gold standard for the 2021 suite and how it maintains the high performance and stability you expect from Adobe products. What is Adobe Zii 2021 6.1.7?
The application is tiny, taking up almost no disk space while providing massive utility. Why "Extra Quality" Matters
While the creative world has moved toward the 2024 and 2025 versions of Creative Cloud, many users stick with because it is significantly less resource-heavy on older hardware. Adobe Zii 2021 6.1.7 remains the most reliable and easiest bridge to accessing that suite with "all extra quality" features intact.
If you are a creative professional or an enthusiast working with digital media, you are likely familiar with the Adobe Creative Cloud (CC) suite. While these tools are the industry standard, managing subscriptions for the entire suite can be a hurdle for some. This is where comes into play, offering a streamlined, "extra quality" solution for users looking to activate their CC 2021 applications with ease.
Disclaimer: This article is for educational purposes only. To support the developers and receive the latest security updates and cloud features, we recommend purchasing an official subscription from Adobe.
Adobe Zii 2021 6.1.7 supports a massive range of software, including: (v22.x) Illustrator 2021 (v25.x) Premiere Pro 2021 (v15.x) After Effects 2021 (v18.x) Lightroom Classic 2021 (v10.x) Final Thoughts
Enter your Mac administrator password when prompted to allow the utility to modify the necessary frameworks.
Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.