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Transporter 2

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

See It In Action

Clean, intuitive interface designed for professionals. Test SMTP servers, preview HTML emails, and diagnose delivery issues.

SMTP Send Client Main Interface

Main Interface - SMTP Configuration

Complete Email Testing Suite

Send test emails through any SMTP server or choose from 12 integrated API providers. Inspect TLS certificates, diagnose delivery issues, and securely store credentials.

🔒 Encrypted Profile Vault

Save SMTP and API credentials securely with AES-256-GCM encryption. Master password protection keeps your credentials safe between sessions.

🔐 TLS Certificate Inspection

View full certificate chains including protocol version, cipher suite, issuer details, validity dates, and SHA-256 fingerprints.

🛠 SMTP Diagnostics

24-code error database with actionable troubleshooting hints. Port connectivity testing detects ISP blocking, firewall issues, and DNS failures.

📧 HTML Email Preview

Compose in plain text or HTML with auto-detection. Live preview with rendered and raw source views. 6 preloaded templates included.

🚀 12 API Providers

One-click sending via SendGrid, Mailgun, Amazon SES, Postmark, Brevo, and 7 more providers with built-in authentication handling.

🛡 Zero Telemetry

No analytics, no tracking, no data collection. Your credentials stay local. App Sandbox enabled for maximum security.

12 Integrated Email Providers

One-click API-based sending with all major email service providers. Authentication handled automatically.

SendGrid - Twilio's cloud email platform
Mailgun - Transactional email API by Sinch
Amazon SES - AWS across 14 regions
ElasticEmail - Simple API key auth
Postmark - Fast delivery by ActiveCampaign
Brevo - Marketing & transactional platform
Mailjet - Dual API key authentication
SparkPost - High-volume delivery by Bird
SMTP2GO - Reliable SMTP and API service
SendPulse - Multi-channel with OAuth2
SocketLabs - Email infrastructure provider
Campaign Monitor - Template-based delivery

Transporter 2

It solidified Jason Statham as a legitimate A-list action hero and proved that the "Transporter" formula—slick suits, fast cars, and creative combat—was a winning one.

Should we dive deeper into for the film, or Transporter 2

Furthermore, Transporter 2 revels in its rejection of psychological depth. The villain’s plot—a biological weapon designed to kill a drug czar by infecting his daughter—is merely a clothesline on which to hang action sequences. Frank’s motivation is not revenge or justice, but professionalism. He has a bond with the young boy he transports, but this bond is expressed through action, not emotion. In a genre often bogged down by origin stories and trauma, the film’s refusal to examine Frank’s past is refreshingly modern. He is a blank slate of competence, a Swiss Army knife in a tailored suit. The audience does not need to know why he is so skilled; we only need to watch him apply those skills to a moving car, a speeding boat, or a startled paramedic. It solidified Jason Statham as a legitimate A-list

Of course, peace doesn’t last. A deadly pathogen known as "Napoleon" is unleashed, and a kidnapping attempt on young Jack reveals a bioterrorism plot aimed at killing a DEA agent during a medical conference. The villains, led by the icy Gianna (Alessandra Nivola) and the unhinged Lola (Kate Nauta), need Jack as a carrier for the virus. Frank’s motivation is not revenge or justice, but

The film’s pacing is relentless. Once the kidnapping occurs, the movie barely allows the audience to breathe. From high-speed chases through Miami traffic to explosive showdowns in industrial warehouses, the plot moves with the velocity of a speeding Audi.

HTML Email Preview

Live HTML Email Preview

Email Templates

6 Pre-loaded Email Templates

Download Free

No subscriptions, no limitations, no strings attached.

SMTP Send Client

Windows

Windows 10/11 (x64)

Version 1.0.7.0

SMTP Send Client

macOS

macOS 14.0+ (Universal)

Version 1.08

SMTP Send Client

CLI Tool

Python (Cross-platform)

Open Source

Technical Specifications

macOS Version

  • Version: 1.08 (build 108)
  • Platform: macOS 14.0 (Sonoma)+
  • Architecture: Universal (Apple Silicon + Intel)
  • Frameworks: SwiftUI, CryptoKit, Network
  • Security: App Sandbox, Hardened Runtime

Windows Version

  • Version: 1.0.7.0
  • Platform: Windows 10/11 (x64)
  • Package: MSIX installer
  • Frameworks: .NET / WinUI
  • Security: Signed package, sandboxed

Security & Encryption

  • Vault Encryption: AES-256-GCM with PBKDF2-HMAC-SHA256 (600,000 iterations)
  • Transport: TLS/SSL for SMTP, HTTPS for all API calls
  • Authentication: SMTP AUTH LOGIN, AWS Signature V4, OAuth2, Bearer tokens, Basic Auth

It solidified Jason Statham as a legitimate A-list action hero and proved that the "Transporter" formula—slick suits, fast cars, and creative combat—was a winning one.

Should we dive deeper into for the film, or

Furthermore, Transporter 2 revels in its rejection of psychological depth. The villain’s plot—a biological weapon designed to kill a drug czar by infecting his daughter—is merely a clothesline on which to hang action sequences. Frank’s motivation is not revenge or justice, but professionalism. He has a bond with the young boy he transports, but this bond is expressed through action, not emotion. In a genre often bogged down by origin stories and trauma, the film’s refusal to examine Frank’s past is refreshingly modern. He is a blank slate of competence, a Swiss Army knife in a tailored suit. The audience does not need to know why he is so skilled; we only need to watch him apply those skills to a moving car, a speeding boat, or a startled paramedic.

Of course, peace doesn’t last. A deadly pathogen known as "Napoleon" is unleashed, and a kidnapping attempt on young Jack reveals a bioterrorism plot aimed at killing a DEA agent during a medical conference. The villains, led by the icy Gianna (Alessandra Nivola) and the unhinged Lola (Kate Nauta), need Jack as a carrier for the virus.

The film’s pacing is relentless. Once the kidnapping occurs, the movie barely allows the audience to breathe. From high-speed chases through Miami traffic to explosive showdowns in industrial warehouses, the plot moves with the velocity of a speeding Audi.

Test Your Email Configuration

Verify SMTP servers, test API providers, inspect TLS certificates, and diagnose delivery issues. No cost, no limits.