![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](https://raw.githubusercontent.com/georgjf/SMTPtool/master/assets/SimpleMailTab_small.png)
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
![Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT! Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT!](https://i0.wp.com/dailysysadmin.com////wp-content/uploads/2017/11/Setup-an-Open-Relay-From-an-Onsite-Server-to-Office-365-14.png?resize=525%2C580&ssl=1)