PortAlert is a lightweight and easy-to-use TCP port monitoring tool designed for Windows and Linux systems. It continuously checks whether important service ports are available and sends alerts when a port becomes unavailable or comes back online.

The software is suitable for monitoring:
- Web servers
- Mail servers
- Database services
- Remote access services
- Custom application ports
- Internal and external TCP services

Common use cases include monitoring:
- HTTP and HTTPS ports
- SMTP, POP3, and IMAP
- MySQL and database ports
- SSH and remote access ports
- Any business-critical TCP service

Key Features:
- Real-time TCP port monitoring
- Instant email alerts
- Optional SMS alert notifications
- Port down and recovery notifications
- Daily IamAlive status report
- Windows and Linux support
- Simple text-based configuration
- Lightweight and low resource usage
- Fast setup with no server required
- License version with full features
- Trial mode available

Unlike large monitoring platforms that require central servers, dashboards, agents, and more setup time, PortAlert focuses on simplicity and speed. Just configure the host, port, thresholds, and notification settings, then run the program.

PortAlert is ideal for small businesses, developers, web hosting teams, MSPs, and system administrators who need an affordable and lightweight service monitoring solution.

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