Use the following tools to test your SendMail server:
http://www.mxtoolbox.com
https://www.wormly.com/test_smtp_server
Default SendMail configuration allows listening only to 127.0.0.0
That causes SendMail to accept emails from internal accounts only.
To receive emails from the whole world, Edit Network ports and change 127.0.0.0 to the server external IP address or set it to All.
http://www.mxtoolbox.com
https://www.wormly.com/test_smtp_server
Default SendMail configuration allows listening only to 127.0.0.0
That causes SendMail to accept emails from internal accounts only.
To receive emails from the whole world, Edit Network ports and change 127.0.0.0 to the server external IP address or set it to All.
