Send mail with Exim from the CLI

I needed to test whether mail relaying worked with Exim or not. To do so I used this command:

exim -v recipient@example.com

After this type in your mail contents as shown below and hit CTRL+D afterwards to send it:

From:sender@example.com
Subject: Hello From the CLI
This is a test from the CLI

It’s also possible to use a one-liner:

echo -e "From:sender@example.com\nSubject: Hello From the CLI\nThis is a test from the CLI" | exim -v recipient@example.com

You’ll see the raw output appear on screen, and should see a 250 status code near the end if all went well.

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