Developed by Andreas Amann
No specific info about version 2.1. Please visit the main page of Change SMTP Server on Mac Informer.
Info updated on:
WifiSmtp grabs SMTP server info while you're using AirPort.
Simple to use utility for testing connectivity to SMTP Servers.
It helps Mac users set up a totally functional buzzword-compliant mail server.
It is a fake SMTP server with GUI for testing emails in applications easily.
Receive SMTP mail with a simple, easy-to-understand API.