GitHub - georgjf/SMTPtool: A slim .NET based UI tool to communicate with SMTP servers and to quickly compose, mail and remail messages
GitHub - georgjf/SMTPtool: A slim .NET based UI tool to communicate with SMTP servers and to quickly compose, mail and remail messages
![Tools for my handbag - Part 4: Free SMTP Server Connection Diagnostics Tool - very easy and fast | Blog Noteshexe Tools for my handbag - Part 4: Free SMTP Server Connection Diagnostics Tool - very easy and fast | Blog Noteshexe](https://noteshexe.de/wp-content/uploads/2015/11/telnet1.jpg)