There’s many times when I want to send an email for testing using postfix and I can never remember how to do it. Here is how.This is super useful to make sure your SMTP relay thru AWS/Postmark is working as it should. Then you can tail
/var/log/mail.log to see if it worked or if it got rejected for whatever reason.
First type the following to start sendmail
sendmail [email protected]
Now we can type in or paste the following
To: [email protected] From: [email protected] Subject: Test Send Mail Hello World
To end the input and start the send hit