send a testmail via exim
Sending a testmail from a server with a configured exim is easy as pie.
From your usershell:
- 
tell exim that we want to send a mail to an recipient and tell us about the details of the sending procedure
$ exim -v receipient@foo.bar - 
Tell exim about the sender, the subject and input some text.
From: user@your.domain.example Subject: Foobar Text Text Text I like Pie! - 
Press
Ctrl+d - 
You should see the details about the SMTP connection. You can return to your shell with
Ctrl+c