Now that you have KumoMTA installed, you should test it from the command line of the installed host. This is easy if you installed the basic tools as described earlier.
Note that the default SMTP listener is on port 25, so we have use that in these examples.
Telnet method for SMTP
Start a telnet session with
telnet localhost 25, replacing firstname.lastname@example.org with your actual email address:
If you have not specifically requested outbound use of port 25 from AWS, then it is very possible the message will not be delivered.
Curl method for HTTP API
See the HTTP injection API reference for more information.
Using Swaks for testing
Swaks, the Swiss Army Knife for SMTP by John Jetmore is a fantastic tool for testing.
Basic Swaks usage:
Regardless of testing method used, the next step is to check the logs.