Send email using an SMTP host

Code snippet to send email via an SMTP Host - Run on a Unix terminal

{ sleep 5; 

  echo 'mail from:kiran@abc.com'; 

  sleep 3; 

  echo 'rcpt to:kiran.sumanam@abc.com'; 

  sleep 3; 

  echo 'data'; 

  sleep 3; 

  echo 'Subject: File Pull'; 

  sleep 2; 

  echo 'File Pull Completed'; 

  sleep 2; 

  echo '.'; 

  sleep 3; 

  echo 'quit'; 

} | telnet 10.2.3.4 25