Message rejected - attachments not permitted

[listmgr@nifl.gov]

   You recently sent a message to one of NIFL's discussion lists or to the 
   NIFL list server. It either contained an attachment or was written in 
   html/rich text format. To protect all NIFL discussion list subscribers 
   from viruses, attachments and email formatting are not permitted through 
   the list server.

   Message details:
   
        To: nifl-esl@nifl.gov
        Subject: Re: Test

   Please resend your message using plain text format only.

   For help in configuring your email client to send plain text messages
   go to:

      http://www.nifl.gov/lincs/discussions/help/nomime.html

   In any email client, double check your 'Plain Text' email setting right before hitting the 'Send' button.

   If you have questions please send them to listhelp@nifl.gov.

   Thank you from the NIFL Discussion list administrator.