Quick SMTP Mail Testing App. Find out if your attempts to send email via SMTP are blocked etc.
Requires .Net 4.6.2 onwards on Windows. Build requires Visual Studio.
Latest Release: V1.1: https://github.com/webprofusion/mailnail/releases/download/1.1/MailNail-Signed.exe
SHA256: d2d6bf88083bbdf601466d710ce6476b3930fecab4e64029580010052fa4a704
certutil -hashfile MailNail-Signed.exe SHA256