SMTP Diagnostic System

The tool lets you diagnose your SMTP server, find out whether you can send direct, and determines the best settings for your mass email software.

**FREE DOWNLOAD (v1.1)** File Size: 0.2MB | Safe & Verified
Email Misc Email Tools Freeware

Key Features

  • If you have a problem setting up your mass email software, AY Software Diagnostic Tool will analyze your SMTP connection.
  • The tool will try to send several email using various methods.
  • It tests both direct sending and your SMTP server.
  • If you do not know your SMTP server, the tool will do its best to find it for you.
  • You will find out what are the best settings for your mass email software.

Technical Specifications

  • **Publisher:** Aysoft.com
  • **License:** Freeware
  • **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
  • **Last Updated:** October 15, 2025
  • **Category:** Email / Misc Email Tools

User Rating

Based on 207 reviews.