How To Send an Email With Attachment and Body from Linux

$ ( cat body-message.txt; uuencode input-attachment.txt output-attachment.txt ) \
| mail -s "Email With Body Text and Attachment" ramesh.thegeekstuff@gmail.com

http://www.thegeekstuff.com/2009/12/how-to-send-an-email-with-attachment-and-body-from-linux/